STC Holder: Knots 2U Ltd

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No. of STCs: 102

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00070SE	Status: Current	App Date: 01/10/1994	Rev Date: 10/09/2015
TC Nos.: 3A15, 3A15,
Models: Beechcraft Corporation: 36 , A36 , F33A , V35B
ACO: AIR-770: West Certification Branch SEA
Fabrication of Model RD-0050 replacement wing-tip position light lens covers.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00076WI	Status: Current	App Date: 01/21/1993	Rev Date: 05/24/2021
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-300 , PA-32R-300 , PA-32RT-300, PA-32RT-300T
ACO: AIR-760: Central Certification Branch CHI
Manufacture and installation of replacement wing tips

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00204NY	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 3A15, 3A16, A-777, 3A15,
Models: Raytheon Aircraft Company: 35 , 35-33 , 35-A33 , 35-B33 , 35-C33 , 95 , 95-55 , 95-A55 , 95-B55 , A35 , B35 , B95 , B95A , C35, D35 , D95A , E35 , F35 , G35 , H35 , J35 , K35 , M35 , N35 , P35 , S35
ACO: AIR-760: Central Certification Branch CHI
Installation of .250 inch, .312 inch, or .375 inch thick one piece windshields (two piece windshield to one piece windshield conversion).

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00648SE	Status: Current	App Date: 07/14/1998	Rev Date: 10/09/2015
TC Nos.: 3A12, 3A13, 3A17, 3A19, 3A21, 3A24, 5A6, A-799, A16CE, A4CE, 3A24,
Models: Cessna Aircraft Company: 185 , 185A , 185B , 185C , 185D , 185E , A185E Textron Aviation Inc.: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 150L , 150M , 152 , 170A , 170B , 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172L , 175 , 175A , 175B , 175C , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 206 , 207 , 207A , 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210C , 210D , 210E , 210F , A150K , A150L , A150M , A152 , P172D , P206A , P206B , P206C , P206D , P206E , T207 , T207A , T210F , TP206A , TP206B , TP206C , TP206D , TP206E , TU206A , TU206B , TU206C , TU206D , TU206E , U206A , U206B , U206C , U206D , U206E
ACO: AIR-770: West Certification Branch SEA
Fabrication of R.M.D. Aircraft Lighting, Inc., wing-tip and landing light Kit No. 00190-C.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00726CH	Status: Current	App Date:	Rev Date: 08/05/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Replace lower cabin door sill.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00899CH	Status: Current	App Date:	Rev Date: 07/08/1998
TC Nos.: 3A15, 3A16, 3A15,
Models: Raytheon Aircraft Company: 35-33 , 35-A33 , 35-B33 , 35-C33 , 35-C33A , 56TC , 95 , 95-55 , 95-A55 , 95-B55 , 95-B55A, 95-B55B (T-42A) , 95-C55 , 95-C55A , A56TC , B95 , B95A , D55 , D55A , D95A , E33 , E33A , E33C , E55 , E55A , E95 , G33 , H35 , J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A , V35B
ACO: AIR-760: Central Certification Branch CHI
Installation of pneumatic luggage door strut on those models with an extended luggage door.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00911CH	Status: Current	App Date:	Rev Date: 07/08/1998
TC Nos.: 3A15, 3A16, 3A15,
Models: Raytheon Aircraft Company: 35-33 , 35-A33 , 35-B33 , 35-C33 , 35-C33A , 36 , 56TC , 58 , 58A , 95-55 , 95-A55 , 95-B55, 95-B55A , 95-B55B (T-42A) , 95-C55 , 95-C55A , A36 , A36TC , A56TC , B36TC , D55 , D55A , E33 , E33A , E33C , E55 , E55A , F33 , F33A , F33C , G33
ACO: AIR-760: Central Certification Branch CHI
Installation of rudder fin cap/strobe fairing.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01107SE	Status: Current	App Date: 03/22/2002	Rev Date: 10/09/2015
TC Nos.: 2A13, 3A12, 3A13, 3A17, 3A19, 3A21, 3A24, 5A6, A-799, A16CE, A3SO, A4CE, A7SO, 3A24,
Models: Cessna Aircraft Company: 185 , 185A , 185B , 185C , 185D , 185E , A185E , A185F Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-28S-160 , PA-28S-180 , PA-32-300 , PA-32-301 , PA-32-301T , PA-32R-300 , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T , PA-34-200 , PA-34-200T , PA-34-220T Textron Aviation Inc.: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 150L , 150M , 152 , 170A , 170B , 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N , 172P , 172Q , 172R , 172S , 175 , 175A , 175B , 175C , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 182T , 206 , 206H , 207 , 207A , 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 210L , 210M , 210N , 210R , A150K , A150L , A150M , A152 , P172D , P206 , P206A , P206B , P206C , P206D , P206E , P210N , P210R , R182 , T182 , T182T , T206H , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T210L , T210M , T210N , T210R , TP206A , TP206B , TP206C , TP206D , TP206E , TR182 , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G
ACO: AIR-770: West Certification Branch SEA
RMD Aircraft Lighting high intensity discharge wingtip light

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01571CH	Status: Current	App Date:	Rev Date: 11/16/2001
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of modified nose cone.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01786SE	Status: Current	App Date: 08/01/2007	Rev Date: 10/09/2015
TC Nos.: 2A13, A7SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160 , PA-28-180 , PA-28R-180 , PA-28R-200 , PA-28S-160 , PA-28S-180 , PA-34-200 , PA-34-200T , PA-34-220T
ACO: AIR-770: West Certification Branch SEA
Fabrication and installation of wing tips

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01787SE	Status: Current	App Date: 08/01/2007	Rev Date: 10/09/2015
TC Nos.: 2A13, 2A13,
Models: Piper Aircraft Inc.: PA-28-151 , PA-28-161 , PA-28-181 , PA-28-201T , PA-28-236 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T
ACO: AIR-770: West Certification Branch SEA
Fabrication and installation of wing tips

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01834CH	Status: Historical	App Date: 10/08/2002	Rev Date: 12/05/2003
TC Nos.: 1A15, 3A12, 3A13, 3A17, 3A19, 3A21, 3A24, 5A6, A13CE, A13EU, A16CE, A18EU, A1EA, A20CE, A23EU, A2CE, A37CE, A4CE, A4EU, A6CE, 3A12,
Models: Reims Aviation S.A.: Cessna F150G , Cessna F150H , Cessna F150J , Cessna F150K , Cessna F172D , Cessna F172E , Cessna F172F , Cessna F172G , Cessna F172H , Cessna F172K , Cessna F172P, Cessna F337E , Cessna FR172E , Cessna FR172F , Cessna FR172G , Cessna FR172H , Cessna FT337E The Cessna Aircraft Company: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 172 , 172A , 172B , 172C , 172D , 172E , 172F , 172G , 172H , 172I , 172K , 172P , 172Q , 172R , 172RG , 172S , 175 , 175A , 175B , 175C , 177 , 177A , 177B , 177RG , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182S , 182T , 185 , 185A , 185B , 185C , 185D , 185E , 206 , 206H , 207 , 207A , 208 , 208A , 208B , 210 , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210K , 336 , 337 , 337A , 337B , 337C , 337D , 337E , A150K , A185E , A185F , P206 , P206A , P206B , P206C , P206D , P206E , T206H , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T337B , T337C , T337D , T337E , TP206A , TP206B , TP206C , TP206D , TP206E , TU206A , TU206B , TU206C , TU206D , TU206E , U206 , U206A , U206B , U206C , U206D , U206E The New Piper Aircraft Inc.: PA-24 , PA-24-250 , PA-24-260 , PA-24-400 , PA-30 , PA-39
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of wing mounted High Density Discharge Light Assembly Kit RMDHID.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01834CH	Status: Historical	App Date: 10/08/2002	Rev Date: 05/16/2003
TC Nos.: 1A15, A1EA, 1A15,
Models: The New Piper Aircraft Inc.: PA-24 , PA-24-250 , PA-24-260 , PA-24-400 , PA-30 , PA-39
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of wing mounted High Density Discharge Light Assembly Kit RMDHID.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01834CH	Status: Historical	App Date: 10/08/2002	Rev Date: 03/14/2007
TC Nos.: 1A15, 3A12, 3A13, 3A15, 3A16, 3A17, 3A19, 3A21, 3A24, 5A3, 5A6, A-777, A13CE, A13EU, A16CE, A18EU, A1EA, A20CE, A23CE, A23EU, A2CE, A37CE, A3SO, A42EU, A4CE, A4EU, A6CE, 3A12,
Models: Cessna Aircraft Company: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172P , 172Q , 172R , 172RG , 172S , 175 , 175A , 175B , 175C , 177 , 177A , 177B , 177RG , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 182T , 185 , 185A , 185B , 185C , 185D , 185E , 206 , 206H , 207 , 207A , 208 , 208A , 208B , 210 , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 210L , 210M , 210N , 210R , 336 , 337 , 337A , 337B , 337C , 337D , 337E , 337G , 337H , A150K , A185E , A185F , F150G , F150H , F150J , F150K , F172D , F172E , F172F , F172G , F172H , F172K , F172P , F182P , F182Q , F337E , F337G , F337H , FR172E , FR172F , FR172G , FR172H , FR182 , FT337E , FT337GP , FT337HP , P172D , P206 , P206A , P206B , P206C , P206D , P206E , P210N , P210R , P337H , R182 , T182 , T182T , T206H , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T210L , T210M , T210N , T210R , T337B , T337C , T337D , T337E , T337G , T337H , T337H-SP , TP206A , TP206B , TP206C , TP206D , TP206E , TR182 , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G Hawker Beechcraft Corporation: 35-33 , 35-A33 , 35-B33 , 35-C33 , 35-C33A , 36 , 56TC , 58 , 58A , 95 , 95-55 , 95-A55 , 95-B55 , 95-B55A , 95-B55B , 95-C55 , 95-C55A , A36 , A36TC , A56TC , B36TC , B95 , B95A , D55 , D55A , D95A , E33 , E33A , E33C , E55 , E55A , E95 , F33 , F33A , F33C , G33 , G36 , H35 , J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A , V35B Piper Aircraft; Inc.: PA-24 , PA-24-250 , PA-24-260 , PA-24-400 , PA-30 , PA-32-301T , PA-32R-301T , PA-32RT-300T , PA-39 Raytheon Aircraft Company: 35 , 35R , 45 (Military YT-34) , 58P , 58PA , 58TC , 58TCA, A35 , A45 (Military T-34A; B-45) , B35 , C35 , D35 , D45 (Military T-34B) , E35 , F35 , G35
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of the High Intensity Discharge Light Assembly Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01834CH (1 OF 2)	Status: Current	App Date: 10/08/2002	Rev Date: 03/20/2009
TC Nos.: 1A15, 3A12, 3A13, 3A15, 3A16, 3A17, 3A19, 3A21, 3A24, 5A3, 5A6, A-777, A13CE, A13EU, A16CE, A18EU, A1EA, A20CE, A23CE, A23EU, A2CE, A37CE, A3SO, A42EU, A4CE, A4EU, A6CE, 3A12,
Models: Cessna Aircraft Company: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172P , 172Q , 172R , 172RG , 172S , 175 , 175A , 175B , 175C , 177 , 177A , 177B , 177RG , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 182T , 185 , 185A , 185B , 185C , 185D , 185E , 206 , 206H , 207 , 207A , 208 , 208A , 208B , 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 336 , 337 , 337A , 337B , 337C , 337D , 337E , 337G , 337H , A150K , A185E , A185F , F150G , F150H , F150J , F150K , F172D , F172E , F172F , F172G , F172H , F172K , F172P , F182P , F182Q , F337E , F337G , F337H , FR172E , FR172F , FR172G , FR172H , FR182 , FT337E , FT337GP , FT337HP , P172D , P206 , P206A , P206B , P206C , P206D , P206E , P337H , R182 , T182 , T182T , T206H , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T337B , T337C , T337D , T337E , T337G , T337H , T337H-SP , TP206A , TP206B , TP206C , TP206D , TP206E , TR182 , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G Hawker Beechcraft Corporation: 35 , 35-33 , 35-A33 , 35-B33 , 35-C33 , 35-C33A , 35R , 36 , 56TC , 58 , 58A , 95 , 95-55 , 95-A55 , 95-B55 , 95-B55A , 95-B55B , 95-C55 , 95-C55A , A35 , A36 , A36TC , A56TC , B35 , B36TC , B95 , B95A , C35 , D35 , D55 , D55A , D95A , E33 , E33A , E33C , E35 , E55 , E55A , E95 , F33 , F33A , F33C , F35 , G33 , G35, G36 , H35 , J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A , V35B Piper Aircraft Inc.: PA-24 , PA-24-250 , PA-24-260 , PA-24-400 , PA-30 , PA-32-301T , PA-32R-301T , PA-32RT-300T , PA-39 Raytheon Aircraft Company: 45 (Military YT-34) , 58P , 58PA , 58TC , 58TCA , A45 (Military T-34A; B-45) , D45 (Military T-34B)
ACO: AIR-760: Central Certification Branch CHI
Installation of the High Intensity Discharge Light Assembly Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01834CH (2 OF 2)	Status: Current	App Date: 10/08/2002	Rev Date: 03/19/2009
TC Nos.: 2A13, A3SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-28S-160 , PA-28S-180 , PA-32-260 , PA-32-300 , PA-32-301 , PA-32-301FT , PA-32-301XTC , PA-32R-300 , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32RT-300 , PA-32S-300
ACO: AIR-760: Central Certification Branch CHI
Installation of the High Intensity Discharge Light Assembly Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02022CH	Status: Current	App Date: 06/21/2004	Rev Date: 08/16/2004
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-28S-160 , PA-28S-180
ACO: AIR-760: Central Certification Branch CHI
Installation of Pneumatic Luggage Door Strut Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02411CH	Status: Current	App Date: 02/27/2007	Rev Date: 07/25/2008
TC Nos.: 3A12, 3A13, 3A17, 3A21, 3A24, 5A6, A4CE, 3A12,
Models: Cessna Aircraft Company: 172 , 172A , 172B , 172C , 172D , 172E , 172F , 172G , 172H , 172I , 172K , 172L , 172M , 172N , 172P , 172Q , 172RG , 175 , 175A , 175B , 175C , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182P , 182Q , 182R , 185 , 185A , 185B , 185C , 185D , 185E , 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210F , 210G , 210H , 210K , A185E , A185F , P172D , P206A , P206B, R172E , R172F , R172G , R172H , R172J , R172K , R182 , T182 , T210F , T210G , T210H , T210J , T210K , T210L , TR182
ACO: AIR-760: Central Certification Branch CHI
Installation of the Aero Vent Cabin Ventilation System.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02411CH	Status: Historical	App Date: 02/27/2007	Rev Date: 04/20/2007
TC Nos.: 3A13, 3A13,
Models: Cessna Aircraft Company: 182E , 182F , 182G , 182H , 182J , 182K , 182P , 182Q , 182R , R182 , T182 , TR182
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of the Aero Vent Cabin Ventilation System.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02446CH	Status: Current	App Date: 11/10/2006	Rev Date: 06/25/2007
TC Nos.: 3A12, 3A13, 3A17, 3A19, 3A21, 3A24, 5A6, A-799, A13CE, A13EU, A16CE, A18EU, A20CE, A23EU, A26EU, A2CE, A42EU, A4CE, A4EU, A6CE, 3A12,
Models: Cessna Aircraft Company: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 150L , 150M , 152 , 170 , 170A , 170B , 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N , 172P , 172Q , 172R , 172RG , 172S , 175 , 175A , 175B , 175C , 177 , 177A , 177B , 177RG , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 182T , 185 , 185A , 185B , 185C , 185D , 185E , 206 , 206H , 207 , 207A , 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 210L , 210M , 210N , 210R , 336 , 337 , 337A , 337B , 337C , 337D , 337E , 337F , 337G , 337H , A150K , A150L , A150M , A152 , A185E , A185F , F150G , F150H , F150J , F150K , F150L , F150M , F152 , F172D , F172E , F172F , F172G , F172H , F172K , F172L , F172M , F172N , F172P , F177RG , F182P , F182Q , F337E , F337F , F337G , F337H , FA150K , FA150L , FA152 , FR172E , FR172F , FR172G , FR172H , FR172J , FR172K , FR182 , FRA150L , FRA150M , FT337E , FT337F , FT337GP , FT337HP , M337B , P172D , P206 , P206A , P206B , P206C , P206D , P206E , P210N , P210R , P337H , R172E , R172F , R172G , R172H , R172J , R172K , R182 , T182 , T182T , T206H , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T210L , T210M , T210N , T210R , T337B , T337C , T337D , T337E , T337F , T337G , T337H , T337H-SP, TP206A , TP206B , TP206C , TP206D , TP206E , TR182 , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G
ACO: AIR-760: Central Certification Branch CHI
Installation of the Courtesy Light Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02497CH	Status: Current	App Date: 11/07/2007	Rev Date: 08/10/2006
TC Nos.: 3A13, 3A13,
Models: Cessna Aircraft Company: 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 182T , R182 , T182 , T182T , TR182
ACO: AIR-760: Central Certification Branch CHI
Installation of the Knots 2U Flight Lite System

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1012GL	Status: Current	App Date:	Rev Date: 08/05/1998
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161, PA-28-180 , PA-28-181 , PA-28-235
ACO: AIR-760: Central Certification Branch CHI
Modify the Piper standard nose and main landing gear wheel fairings. (PA-28-151 ALL S/N'S, PA-28-161 S/N'S UP THRU 28-7916228, PA-28-181 S/N'S UP THRU 28-7990242)

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1013GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-260 , PA-32-300
ACO: AIR-760: Central Certification Branch CHI
Modify the Piper standard nose and main landing gear wheel fairings. (PA-32-300 S/N UP THRU 32-7940020)

STC Holder: Knots 2U Ltd Address: 709 Airport Dr, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10594SC	Status: Current	App Date: 08/30/2006	Rev Date: 08/11/2017
TC Nos.: 1A15, 2A13, A1EA, A20SO, A3SO, A8EA, 1A15,
Models: Piper Aircraft Inc.: PA-24 , PA-24-250 , PA-24-260 , PA-24-400 , PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-30 , PA-31 , PA-31-300 , PA-31-325 , PA-31-350 , PA-31P , PA-31P-350 , PA-31T , PA-31T1 , PA-31T2, PA-32-260 , PA-32-300 , PA-32-301 , PA-32-301T , PA-32R-300 , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T , PA-32S-300 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Modification of the Monroe Automotive Equipment Co. (MAECO) Shimmy Dampener.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1153SW	Status: Current	App Date:	Rev Date: 09/07/1999
TC Nos.: 1A15, A1EA, 1A15,
Models: The New Piper Aircraft Inc.: PA-24 , PA-24-250 , PA-24-260 , PA-24-400 , PA-30, PA-39
ACO: AIR-760: Central Certification Branch CHI
Square wing tips with dual navigation lights.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1194GL	Status: Current	App Date:	Rev Date: 07/15/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161, PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T
ACO: AIR-760: Central Certification Branch CHI
Install fairings over flap hinges.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1195GL	Status: Historical	App Date:	Rev Date: 07/15/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-260 , PA-32-300 , PA-32-301, PA-32-301T , PA-32R-300 , PA-32R-301(HP) , PA-32R-301(SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T , PA-32S-300
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Install fairings over flap hinges.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1195GL	Status: Current	App Date: 04/29/1987	Rev Date: 03/29/2010
TC Nos.: A3SO, A3SO,
Models: Piper Aircraft Inc.: PA-32-260 , PA-32-300 , PA-32-301 , PA-32-301FT , PA-32-301T , PA-32-301XTC , PA-32R-300 , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T , PA-32S-300
ACO: AIR-760: Central Certification Branch CHI
Installation of Flap Hinge Fairings seals

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1216GL	Status: Current	App Date:	Rev Date: 07/15/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-235 , PA-28-236, PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T
ACO: AIR-760: Central Certification Branch CHI
Install wing root fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1217GL	Status: Current	App Date: 07/20/1987	Rev Date: 03/29/2010
TC Nos.: A3SO, A3SO,
Models: Piper Aircraft Inc.: PA-32-260 , PA-32-300 , PA-32-301 , PA-32-301FT , PA-32-301T , PA-32-301XTC , PA-32R-300 , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T , PA-32S-300
ACO: AIR-760: Central Certification Branch CHI
Installation of wing root fairings

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1217GL	Status: Historical	App Date:	Rev Date: 07/15/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-260 , PA-32-300, PA-32-301 , PA-32R-300 , PA-32R-301(HP) , PA-32R-301(SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T , PA-32S-300
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Install wing root fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1225GL	Status: Current	App Date:	Rev Date: 07/14/1997
TC Nos.: A7SO, A7SO,
Models: The New Piper Aircraft Inc.: PA-34-200 , PA-34-200T , PA-34-220T (III), PA-34-220T (IV)
ACO: AIR-760: Central Certification Branch CHI
Install fairings over flap hinges.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1227CE	Status: Current	App Date: 04/03/1976	Rev Date: 05/24/2021
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140, PA-28-150 , PA-28-160 , PA-28-180 , PA-28R-180 , PA-28R-200
ACO: AIR-760: Central Certification Branch CHI
Installation of dorsal fin.

STC Holder: Knots 2U Ltd Address: 709 Airport Dr, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1228CE	Status: Current	App Date: 06/06/1975	Rev Date: 05/24/2021
TC Nos.: 2A13, 2A13,
Models: Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160 , PA-28-180
ACO: AIR-760: Central Certification Branch CHI
Installation of wing tip extension.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1238GL	Status: Current	App Date:	Rev Date: 07/14/1997
TC Nos.: A7SO, A7SO,
Models: The New Piper Aircraft Inc.: PA-34-200 , PA-34-200T , PA-34-220T (III) , PA-34-220T (IV)
ACO: AIR-760: Central Certification Branch CHI
Install wing root fairings.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1373CE	Status: Current	App Date: 04/21/1977	Rev Date: 05/24/2021
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160, PA-28-180 , PA-28-235
ACO: AIR-760: Central Certification Branch CHI
Install third window. (PA-28-180 S/N 28-1 THRU 28-4377, PA-28-235 S/N 28-10003 THRU 28-11039)

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1401NW	Status: Historical	App Date: 04/08/1981	Rev Date: 10/18/2007
TC Nos.: 2A13, A3SO, A7SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160 , PA-28-180 , PA-28-235 , PA-28R-180 , PA-28R-200 , PA-28S-160 , PA-28S-180 , PA-32-300 , PA-32R-300 , PA-32RT-300 , PA-32RT-300T , PA-34-200 , PA-34-200T , PA-34-220T
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Installation of fiberglass wing tips with recognition lights.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1401NW	Status: Current	App Date: 04/08/1981	Rev Date: 08/14/2008
TC Nos.: 2A13, A3SO, A7SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160 , PA-28-180 , PA-28-235 , PA-28R-180 , PA-28R-200 , PA-28S-160 , PA-28S-180 , PA-32-300 , PA-32R-300 , PA-32RT-300 , PA-32RT-300T , PA-34-200 , PA-34-200T , PA-34-220T
ACO: AIR-770: West Certification Branch SEA
Installation of fiberglass wing tips with recognition lights.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1401NW	Status: Historical	App Date: 04/08/1981	Rev Date: 02/20/2007
TC Nos.: 2A13, A3SO, A7SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160 , PA-28-180 , PA-28-235 , PA-28R-180 , PA-28R-200 , PA-28S-160 , PA-28S-180 , PA-32-300 , PA-32R-300 , PA-32RT-300 , PA-32RT-300T , PA-34-200 , PA-34-200T , PA-34-220T
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Installation of fiberglass wing tips with recognition lights.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1521GL	Status: Current	App Date: 09/06/1990	Rev Date: 03/29/2010
TC Nos.: A3SO, A3SO,
Models: Piper Aircraft Inc.: PA-32-301 , PA-32-301FT , PA-32-301T , PA-32-301XTC , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T
ACO: AIR-760: Central Certification Branch CHI
Installation of Flap, Aileron, Flap/Fuselage, and Stabilator Gap Seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1521GL	Status: Historical	App Date:	Rev Date: 10/13/1999
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-301 , PA-32-301T, PA-32R-301(SP) , PA-32R-301T
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of Flap, Aileron, Flap/Fuselage, and Stabilator Gap Seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1571GL	Status: Current	App Date:	Rev Date: 07/21/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-180 , PA-28-181, PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28S-160 , PA-28S-180
ACO: AIR-760: Central Certification Branch CHI
Installation of rudder fin cap fairing, with or without a strobe.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1572GL	Status: Current	App Date:	Rev Date: 07/15/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-260 , PA-32-300 , PA-32-301 , PA-32-301T , PA-32R-300 , PA-32R-301(HP) , PA-32R-301(SP) , PA-32R-301T , PA-32S-300
ACO: AIR-760: Central Certification Branch CHI
Installation of rudder fin cap fairing, with or without a strobe.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1661GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 1A15, 1A15,
Models: The New Piper Aircraft Inc.: PA-24 , PA-24-250 , PA-24-260, PA-24-400
ACO: AIR-760: Central Certification Branch CHI
Installation of rudder fin cap fairing, with a strobe.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1662GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of rudder fin cap fairing, with or without a strobe.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1711GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 1A15, 1A15,
Models: The New Piper Aircraft Inc.: PA-24 , PA-24-250, PA-24-260 , PA-24-400
ACO: AIR-760: Central Certification Branch CHI
Installation of Gear Lobe fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1712GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30, PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of Gear Lobe fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1713GL	Status: Current	App Date:	Rev Date: 07/15/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-201T, PA-28R-180 , PA-28R-200 , PA-28R-201T , PA-28RT-201
ACO: AIR-760: Central Certification Branch CHI
Installation of gear lobe fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1714GL	Status: Current	App Date:	Rev Date: 07/21/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32R-300, PA-32R-301(HP) , PA-32R-301(SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T
ACO: AIR-760: Central Certification Branch CHI
Installation of Gear Lobe Fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1715GL	Status: Current	App Date:	Rev Date: 07/14/1997
TC Nos.: A7SO, A7SO,
Models: The New Piper Aircraft Inc.: PA-34-200, PA-34-200T , PA-34-220T (III) , PA-34-220T (IV)
ACO: AIR-760: Central Certification Branch CHI
Installation of Gear Lobe fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1716GL	Status: Current	App Date:	Rev Date: 07/21/1997
TC Nos.: A19SO, A19SO,
Models: The New Piper Aircraft Inc.: PA-44-180 , PA-44-180T
ACO: AIR-760: Central Certification Branch CHI
Installation of Gear Lobe fairings.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA17CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 1A15, 1A15,
Models: The New Piper Aircraft Inc.: PA-24, PA-24-250 , PA-24-260 , PA-24-400
ACO: AIR-760: Central Certification Branch CHI
Installation of windshield cowler fairing.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA18CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of windshield 'cowler' fairing.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA214CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30, PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of Hartzell HC-E2YL-2BSF/F7663D-4 or HC-E2YL-2BLSF/ FJ7663D-4 model propellers.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA215CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of an induction system.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2356NM	Status: Historical	App Date: 01/13/1984	Rev Date: 02/20/2007
TC Nos.: 2A13, A3SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-28S-160 , PA-28S-180 , PA-32-301 , PA-32-301T , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Installation of R.M.D. Aircraft Lighting, Inc. Landing/Recognition Lights Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2356NM	Status: Current	App Date: 01/13/1984	Rev Date: 03/29/2010
TC Nos.: 2A13, A3SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-151 , PA-28-161 , PA-28-181 , PA-28-201T , PA-28-236 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-32-301 , PA-32-301FT , PA-32-301T , PA-32-301XTC , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T , PA-32RT-300T
ACO: AIR-760: Central Certification Branch CHI
Installation of Knots 2U, Ltd Landing/Recognition Lights Kit

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2356NM	Status: Historical	App Date: 01/13/1984	Rev Date: 10/18/2007
TC Nos.: 2A13, A3SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180 , PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-28S-160 , PA-28S-180 , PA-32-301 , PA-32-301T , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Installation of R.M.D. Aircraft Lighting, Inc. Landing/Recognition Lights Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2356NM	Status: Historical	App Date: 01/13/1984	Rev Date: 08/14/2008
TC Nos.: 2A13, A3SO, 2A13,
Models: Piper Aircraft Inc.: PA-28-151 , PA-28-161 , PA-28-181 , PA-28-201T , PA-28-236 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T , PA-32-301 , PA-32-301T , PA-32R-301 (HP) , PA-32R-301 (SP) , PA-32R-301T , PA-32RT-300T
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Installation of R.M.D. Aircraft Lighting, Inc. Landing/Recognition Lights Kit.

STC Holder: Knots 2U Ltd Address: 703 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2381NM	Status: Current	App Date: 08/19/2008	Rev Date: 08/19/2008
TC Nos.: 3A12, 3A13, 3A17, 3A19, 3A21, 3A24, 5A6, A13CE, A16CE, A4CE, 3A12,
Models: Cessna Aircraft Company: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 150L , 150M , 152 , 172 , 172A , 172B , 172C , 172D , 172E , 172F , 172F (USAF T-41A) , 172G , 172H , 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N , 172P , 172Q , 172R , 175 , 175B , 175C , 177 , 177A , 177B , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 182T , 185 , 185A , 185B , 185C , 185D , 185E , 206 , 206H , 207 , 207A , 210-5 (205) , 210-5A (205A) , A150K , A150L , A150M , A152 , A185E , A185F , P172D , P206 , P206A , P206B , P206C , P206D , P206E , R172K , T206H , T207 , T207A , TP206A , TP206B , TP206C , TP206D , TP206E , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G
ACO: AIR-760: Central Certification Branch CHI
Installation of Knots 2U, Ltd Wheel and Body Fairings

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2382NM	Status: Current	App Date:	Rev Date: 07/15/2003
TC Nos.: 3A12, 3A13, 3A17, 3A19, 3A21, 3A24, 5A6, A-799, A16CE, A18EU, A42EU, A4CE, 3A12,
Models: Reims Aviation S.A.: Cessna F182P , Cessna F182Q , Cessna FR172E , Cessna FR172F , Cessna FR172G , Cessna FR172H , Cessna FR172J , Cessna FR172K , Cessna FR182 The Cessna Aircraft Company: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 150L , 150M , 152 , 170B , 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N , 172P , 172Q , 172R , 172RG , 172S , 175 , 175A , 175B , 175C , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 185 , 185A , 185B , 185C , 185D , 185E , 206 , 206H , 207 , 207A , 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 210L , 210M , 210N , 210R , A150K , A150L , A150M , A152 , A185E , A185F , P172D , P206 , P206A , P206B , P206C , P206D , P206E , P210N , P210R , R182 , T182 , T206H , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T210L , T210M , T210N , T210R , TP206A , TP206B , TP206C , TP206D , TP206E , TR182 , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G
ACO: AIR-760: Central Certification Branch CHI
Installation of Aileron and Flap Gap Seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2382NM	Status: Historical	App Date:	Rev Date: 04/03/2002
TC Nos.: 3A12, 3A13, 3A17, 3A19, 3A21, 3A24, 5A6, A-799, A13EU, A16CE, A4CE, A4EU, 3A12,
Models: Reims Aviation S.A.: F150 Series , F150G , F150H , F150J , F150K , F150L , F150M , F152 , F172 Series , F172D , F172E , F172F , F172G , F172H , F172K , F172L, F172M , F172N , F172P , FA150 Series , FA150K , FA150L , FA152 , FRA150L , FRA150M The Cessna Aircraft Company: 150 , 150A , 150B , 150C , 150D , 150E , 150F , 150G , 150H , 150J , 150K , 150L , 150M , 152 , 170B , 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N , 172P , 172Q , 172R , 172RG , 172S , 175 , 175A , 175B , 175C , 180 , 180A , 180B , 180C , 180D , 180E , 180F , 180G , 180H , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 185 , 185A , 185B , 185C , 185D , 185E , 206 , 206H , 207 , 207A , 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 210L , 210M , 210N , 210R , A150K , A150L , A150M , A152 , A185E , A185F , P172D , P206 , P206A , P206B , P206C , P206D , P206E , P210N , P210R , R182 , T182 , T206H , T207 , T207A , T210F , T210G , T210H , T210J , T210K , T210L , T210M , T210N , T210R , TP206A , TP206B , TP206C , TP206D , TP206E , TR182 , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of Aileron and Flap Gap Seals.

STC Holder: Knots 2U Ltd Address: 709 Airport Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2490SW	Status: Current	App Date: 07/14/1977	Rev Date: 05/24/2021
TC Nos.: 2A13, 2A13,
Models: Piper Aircraft Inc.: PA-28R-180 , PA-28R-200
ACO: AIR-760: Central Certification Branch CHI
Installation of wing tip extension and dorsal fin.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2647CE	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of flap actuated gear warning system.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2648CE	Status: Current	App Date:	Rev Date: 12/15/1997
TC Nos.: 1A15, 1A15,
Models: The New Piper Aircraft Inc.: PA-24 , PA-24-250, PA-24-260 , PA-24-400
ACO: AIR-760: Central Certification Branch CHI
Installation of flap actuated gear warning system.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2753CE	Status: Historical	App Date:	Rev Date: 05/07/1997
TC Nos.: A-777, A-777,
Models: Raytheon Aircraft Company: 35 , 35R , A35 , B35, C35 , D35 , E35 , F35 , G35
ACO: AIR-7C0: Chicago ACO Branch
Installation of flap actuated landing gear warning system.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2754CE	Status: Historical	App Date:	Rev Date: 05/07/1997
TC Nos.: 3A15, 3A15,
Models: Raytheon Aircraft Company: 35-33 , 35-A33 , 35-B33 , 35-C33 , 35-C33A , 36 , A36 , A36TC , B36TC , E33 , E33A , E33C , F33 , F33A , F33C , G33 , H35, J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A , V35B
ACO: AIR-7C0: Chicago ACO Branch
Installation of a flap actuated landing gear warning system.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA307CH	Status: Historical	App Date:	Rev Date: 05/17/1997
TC Nos.: 1A15,
Models: The New Piper Aircraft Inc.: PA-24-260
ACO: AIR-7C0: Chicago ACO Branch
Replace existing baggage door hold up bracket with an air strut bracket. (PA-24-260 24-4247, 24-4300 and up)

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA307CH	Status: Current	App Date: 01/09/1995	Rev Date: 05/07/1997
TC Nos.: 1A15,
Models: The New Piper Aircraft Inc.: PA-24-260
ACO: AIR-760: Central Certification Branch CHI
Replace existing baggage door hold up bracket with an air strut bracket. PA-24-260 MSN #24-4247, and 24-4300 and up

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA308CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30, PA-39
ACO: AIR-760: Central Certification Branch CHI
Replace baggage door holdup bracket with air strut bracket.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3685NM	Status: Current	App Date: 03/01/1986	Rev Date: 10/09/2015
TC Nos.: 3A21, 3A21,
Models: Textron Aviation Inc.: 210 , 210-5 (205) , 210-5A (205A) , 210A , 210B , 210C , 210D , 210E , 210F , 210G , 210H , 210J , 210K , 210L , 210M , 210N , 210R , P210N , P210R , T210F , T210G , T210H , T210J , T210K , T210L , T210M , T210N , T210R
ACO: AIR-770: West Certification Branch SEA
Installation of fiberglass wing tips; each tip having a 100 watt recognition light and a clear plastic lens.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA370CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of wing fillet.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA371CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 1A15, 1A15,
Models: The New Piper Aircraft Inc.: PA-24 , PA-24-250 , PA-24-260, PA-24-400
ACO: AIR-760: Central Certification Branch CHI
Installation of wing fillet.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA394CH	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of cowl nose bowl.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA411NW	Status: Current	App Date: 11/24/1976	Rev Date: 10/09/2015
TC Nos.: A2SW, A2SW,
Models: Israel Aircraft Industries Ltd.: 1121A , 1121B
ACO: AIR-770: West Certification Branch SEA
Installation of forward facing white lights, position lights, clear plastic covers, and associated systems.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA421GL	Status: Current	App Date:	Rev Date: 11/20/2006
TC Nos.: 3A15, 3A15,
Models: Raytheon Aircraft Company: 35-33 , 35-A33 , 35-B33 , 35-C33 , 35-C33A , 36 , A36, A36TC , B36TC , E33 , E33A , E33C , F33 , F33A , F33C , G33 , H35 , J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A , V35B
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron and flap gap seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA421GL	Status: Historical	App Date:	Rev Date: 12/01/1998
TC Nos.: 3A15, 3A15,
Models: Raytheon Aircraft Company: 35-33 , 35-A33 , 35-B33 , 35-C33 , 35-C33A , 36 , A36, A36TC , B36TC , E33 , E33A , E33C , F33 , F33A , F33C , G33 , H35 , J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A , V35B
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of aileron and flap gap seals.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4337NM	Status: Current	App Date: 04/01/1988	Rev Date: 10/09/2015
TC Nos.: 3A12, 3A13, 3A24, 5A6, A4CE, 3A24,
Models: Cessna Aircraft Company: 185 , 185A , 185B , 185C , 185D , 185E , A185E , A185F Textron Aviation Inc.: 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N , 172P , 172Q , 172R , 172S , 180J , 180K , 182 , 182A , 182B , 182C , 182D , 182E , 182F , 182G , 182H , 182J , 182K , 182L , 182M , 182N , 182P , 182Q , 182R , 182S , 182T , 206 , 206H , P206 , P206A , P206B , P206C , P206D , P206E , R182 , T182 , T182T , T206H , TP206A , TP206B , TP206C , TP206D , TP206E , TR182 , TU206A , TU206B , TU206C , TU206D , TU206E , TU206F , TU206G , U206 , U206A , U206B , U206C , U206D , U206E , U206F , U206G
ACO: AIR-770: West Certification Branch SEA
Installation of landing/recognition lights inside the modified wing tip leading edge

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5130NM	Status: Current	App Date: 01/29/1990	Rev Date: 10/09/2015
TC Nos.: 3A15, 3A15,
Models: Beechcraft Corporation: A36 , F33A , V35B
ACO: AIR-770: West Certification Branch SEA
Fabrication of Model RMD-003536-B auxiliary landing lights

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA516GL	Status: Current	App Date:	Rev Date: 01/21/1999
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30, PA-39
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron, flap, flap to fuselage, rudder gap seals, wing root fairings, dorsal fin, and engine nacelle fairing.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA526GL	Status: Current	App Date:	Rev Date: 01/21/1999
TC Nos.: 1A15,
Models: The New Piper Aircraft Inc.: PA-24
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron, flap, flap to fuselage, and rudder gap seals, wing root fairings, and dorsal fin.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA551CH	Status: Current	App Date:	Rev Date: 09/12/1996
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Modify the fuselage nose cover.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA574NW	Status: Current	App Date: 02/25/1978	Rev Date: 10/09/2015
TC Nos.: 3A10, 3A25, A7CE, 3A10,
Models: Textron Aviation Inc.: 310G , 310H , 310I , 310J , 310K , 310L , 310N , 310P , 310Q , 310R , 320A , 320B , 320C , 320D , 320E , 320F , 340A , 401 , 401A , 401B , 402 , 402A , 402B , 411A , 414 , 421 , 421A , 421B
ACO: AIR-770: West Certification Branch SEA
Installation of forward facing white lights, (100 Watts) and clear plastic wing tip tank nose cone and associated systems

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5903NM	Status: Current	App Date: 02/21/1992	Rev Date: 10/09/2015
TC Nos.: 3A15, A-777, 3A15,
Models: Beechcraft Corporation: 35-33 , 35-A33 , A35 , A36 , B35 , C35 , D35 , E35 , F33A , F35 , G35 , H35 , J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A , V35B
ACO: AIR-770: West Certification Branch SEA
Fabrication of Model RMD-000035-B replacement wing tips with supplemental landing and recognition lights.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA603GL	Status: Current	App Date:	Rev Date: 07/15/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160 , PA-28-180, PA-28-235 , PA-28R-180 , PA-28R-200
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron, flap, and stabilator gap seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA609GL	Status: Current	App Date:	Rev Date: 08/05/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-260 , PA-32-300, PA-32R-300 , PA-32RT-300 , PA-32RT-300T , PA-32S-300
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron, flap, and stabilator gap seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA640GL	Status: Current	App Date:	Rev Date: 06/28/1999
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-151, PA-28-161 , PA-28-181 , PA-28-201T , PA-28-236 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T
ACO: AIR-760: Central Certification Branch CHI
Installation of Aileron, Flap, and Stabilator Gap Seals.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA665NW	Status: Current	App Date: 08/05/1978	Rev Date: 10/09/2015
TC Nos.: A23SO, A8EA, A8EA,
Models: Piper Aircraft Inc.: PA-31T , PA-31T1 , PA-42
ACO: AIR-770: West Certification Branch SEA
Installation of forward facing white lights (100 watts) clear plastic wing tip tank nose cone, and associated systems

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA729GL	Status: Current	App Date:	Rev Date: 07/14/1997
TC Nos.: A7SO, A7SO,
Models: The New Piper Aircraft Inc.: PA-34-200 , PA-34-200T , PA-34-220T (III), PA-34-220T (IV)
ACO: AIR-760: Central Certification Branch CHI
Installation of Aileron and Flap Gap Seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA780GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-160 , PA-28-180, PA-28-235
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron and flap gap seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA820GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-260 , PA-32-300, PA-32R-300
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron and flap gap seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA845GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 3A15, 3A15,
Models: Raytheon Aircraft Company: H35 , J35 , K35 , M35 , N35 , P35 , S35 , V35 , V35A, V35B
ACO: AIR-760: Central Certification Branch CHI
Install stabilizer reinforcing plate.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA846GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A-777, A-777,
Models: Raytheon Aircraft Company: C35 , D35 , E35 , F35 , G35
ACO: AIR-760: Central Certification Branch CHI
Install stabilizer reinforcing plate.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA855GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-151 , PA-28-161 , PA-28-181 , PA-28-201T , PA-28-236 , PA-28R-201 , PA-28R-201T, PA-28RT-201 , PA-28RT-201T
ACO: AIR-760: Central Certification Branch CHI
Installation of aileron and flap gap seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA875GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A1EA, A1EA,
Models: The New Piper Aircraft Inc.: PA-30 , PA-39
ACO: AIR-760: Central Certification Branch CHI
Install speed sweep windshield.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA909GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 1A15, 1A15,
Models: The New Piper Aircraft Inc.: PA-24, PA-24-250 , PA-24-260 , PA-24-400
ACO: AIR-760: Central Certification Branch CHI
Install speed sweep windshield.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA928GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: 2A13, 2A13,
Models: The New Piper Aircraft Inc.: PA-28-140 , PA-28-150 , PA-28-151 , PA-28-160 , PA-28-161 , PA-28-180 , PA-28-181 , PA-28-201T , PA-28-235 , PA-28-236 , PA-28R-180, PA-28R-200 , PA-28R-201 , PA-28R-201T , PA-28RT-201 , PA-28RT-201T
ACO: AIR-760: Central Certification Branch CHI
Install molded plastic fairings P/N's LI, LO, or LO-F, LC, RI, RO, or RO-F, RC, enclosing all wing flap hinges.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA929GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A7SO, A7SO,
Models: The New Piper Aircraft Inc.: PA-34-200 , PA-34-200T , PA-34-220T (III) , PA-34-220T (IV)
ACO: AIR-760: Central Certification Branch CHI
Install molded plastic fairings P/N's LI, LO, LC, RI, RO, RC, enclosing all wing flap hinges.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA930GL	Status: Current	App Date:	Rev Date: 05/07/1997
TC Nos.: A3SO, A3SO,
Models: The New Piper Aircraft Inc.: PA-32-260 , PA-32-300 , PA-32-301, PA-32-301T , PA-32R-300 , PA-32R-301(HP) , PA-32R-301(SP) , PA-32R-301T , PA-32RT-300 , PA-32RT-300T
ACO: AIR-760: Central Certification Branch CHI
Install molded plastic fairings P/N's LI, LO, or LO-F, LC, RI, RO, or RO-F, RC enclosing all wing flap hinges.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA957GL	Status: Historical	App Date:	Rev Date: 12/01/1998
TC Nos.: A-777, A-777,
Models: Raytheon Aircraft Company: 35R , A35 , B35 , C35 , D35 , E35, F35 , G35
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
Installation of flap and aileron gap seals.

STC Holder: Knots 2U Ltd Address: 3106 Bieneman Road, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA957GL	Status: Current	App Date: 10/20/1985	Rev Date: 11/20/2006
TC Nos.: A-777, A-777,
Models: Raytheon Aircraft Company: 35R , A35 , B35 , C35 , D35 , E35, F35 , G35
ACO: AIR-760: Central Certification Branch CHI
Installation of flap and aileron gap seals.

STC Holder: Knots 2U Ltd Address: 709 Airport Rd, Burlington, WI 53105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA961NW	Status: Current	App Date: 06/10/1980	Rev Date: 10/09/2015
TC Nos.: A5SW, A8SW, A5SW,
Models: M7 Aerospace LLC: SA226-AT , SA226-T , SA226-TC , SA227-TT
ACO: AIR-770: West Certification Branch SEA
Installation of forward facing white lights (100 watt), clear plastic wing tip covers, and associated systems