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No. of STCs: 68

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA09111AC	Status: Current	App Date: 02/27/1995	Rev Date: 03/17/2022
Description: Installation of Concorde RG390ES sealed lead-acid battiers.
TC Nos.: A8SW
Models: M7 Aerospace LLCSA226-TC, SA227-AC (C-26A), SA227-BC (C-26A)
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA09169AC	Status: Current	App Date: 07/14/1995	Rev Date: 03/17/2022
Description: Installation of Concorde RG390ES sealed lead-acid batteries.
TC Nos.: A18SW
Models: M7 Aerospace LLCSA227-CC, SA227-DC (C-26B)
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA09170AC	Status: Current	App Date: 07/14/1995	Rev Date: 03/17/2022
Description: Installation of Concorde RG390ES sealed lead-acid batteries
TC Nos.: A5SW
Models: M7 Aerospace LLCSA226-AT, SA226-T, SA227-AT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA09463AC	Status: Current	App Date: 04/17/1998	Rev Date: 03/17/2022
Description: Installation of Concorde FASRG91STC sealed lead-acid batteries.
TC Nos.: A5SW
Models: M7 Aerospace LLCSA226-T, SA226-T(B), SA227-TT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1019GL	Status: Current	App Date: 04/18/1986	Rev Date: 04/30/2007
Description: Installation of Woodward P/N A213796 control box, electrical connector, and remote switch.
TC Nos.: 3A20, A14CE, A21EU, A24CE, A31CE, A5SW, A8SW
Models: British Aerospace (Scotland)Jetstream Series 3101 Hawker Beechcraft Corporation200, 200C, 200CT, 200T, C90, E90 M7 Aerospace LPSA227-AC (C-26A), SA227-AT, SA227-TT Raytheon Aircraft CompanyA100, B100, F90
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1020GL	Status: Current	App Date: 04/18/1986	Rev Date: 04/30/2007
Description: Removal of P/N 213762 propeller synchrophaser control box and electrical connector, and installation of P/N A213796 control box, and electrical connector.
TC Nos.: A23CE
Models: Raytheon Aircraft Company58P, 58TC
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1020GL	Status: Historical	App Date: 04/18/1986	Rev Date: 02/12/2007
Description: Removal of P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796 control box and electrical connector on model 58TC and P/N A213807 control box and electrical connector on model 58P.
TC Nos.: A23CE
Models: Raytheon Aircraft Company58P, 58TC
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1021GL	Status: Current	App Date: 04/18/1986	Rev Date: 11/23/2004
Description: Removal of TC P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
TC Nos.: A24CE
Models: Beechcraft Corporation200, 200C, 200CT, 200T
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1022GL	Status: Current	App Date: 04/18/1986	Rev Date: 11/23/2004
Description: Removal of T.C. P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
TC Nos.: 3A20
Models: Beechcraft CorporationC90, E90
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1023GL	Status: Current	App Date: 04/18/1986	Rev Date: 11/23/2004
Description: Installation of P/N A213796 control box, electrical connector, and remote switch.
TC Nos.: A5SW
Models: M7 Aerospace LLCSA227-AT, SA227-TT
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1024GL	Status: Current	App Date: 04/18/1986	Rev Date: 11/23/2004
Description: Removal of T.C. P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
TC Nos.: A31CE
Models: Beechcraft CorporationF90
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1025GL	Status: Current	App Date: 04/18/1986	Rev Date: 11/23/2004
Description: Removal of T.C. P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
TC Nos.: A14CE
Models: Beechcraft CorporationA100, B100
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA10352SC	Status: Current	App Date: 07/28/2004	Rev Date: 03/17/2022
Description: Installation of an Aviation Communication & Surveillance Systems (ACSS) TCAS II, dual ACSS Mode-S transponders and dual Sextant VSI/TCAS display
TC Nos.: A18SW, A8SW
Models: M7 Aerospace LLCSA227-AC (C-26A), SA227-BC (C-26A), SA227-CC, SA227-DC (C-26B)
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1054GL	Status: Current	App Date: 07/03/1986	Rev Date: 04/30/2007
Description: Removal of P/N 213763 propeller synchrophaser control box and electrical connector, and installation of P/N A213796 control box, electrical connector, and remote switch.
TC Nos.: A-783
Models: Frakes AviationG-73
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1055GL	Status: Current	App Date: 07/03/1986	Rev Date: 11/23/2004
Description: Removal of TC P/N 213761 or213763 propeller synchrophaser control box and electrical connector and installation of P/N A213796 control box, electrical connector, and remote switch.
TC Nos.: A21EU
Models: British Aerospace (Scotland)HP Jetstream Model 3101
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1470SO	Status: Current	App Date: 05/12/1983	Rev Date: 04/26/2012
Description: Installation of Lear Siegler 400 AMP starter generator control unit P/N 51539-0065.
TC Nos.: A5SW
Models: Fairchild Aircraft CorporationSA227-AT, SA227-TT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1528SO	Status: Current	App Date: 08/29/1983	Rev Date: 03/17/2022
Description: Installation of Litton LTN 72R inertial navigation system utilizing software program 72-7 supplement 72-19 installed
TC Nos.: A5SW
Models: M7 Aerospace LLCSA227-AT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1529SO	Status: Current	App Date: 08/29/1983	Rev Date: 03/17/2022
Description: Installation of Foster Airdata RNAV 612 area navigation system
TC Nos.: A5SW
Models: M7 Aerospace LLCSA227-AT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1530SO	Status: Current	App Date: 08/29/1983	Rev Date: 06/28/2012
Description: Installation of Global GNS-500 Series 3C VLF/Omega Navigation System utilizing software program 3C-FE9F/E
TC Nos.: A5SW
Models: M7 Aerospace LLCSA227-AT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA166CE	Status: Current	App Date: 09/05/1963	Rev Date: 04/30/2007
Description: Twin-engine electronic synchronizer and unfeathering system.
TC Nos.: 5A4
Models: Raytheon Aircraft CompanyB50
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA167CE	Status: Current	App Date: 09/05/1963	Rev Date: 04/30/2007
Description: Electronic synchronizer kit.
TC Nos.: 5A4
Models: Raytheon Aircraft CompanyC50
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA168CE	Status: Current	App Date: 08/28/1963	Rev Date: 04/30/2007
Description: Twin engine synchronizer.
TC Nos.: 6A1
Models: Twin Commander Aircraft Corporation500-B
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA174CE	Status: Current	App Date: 11/18/1964	Rev Date: 04/30/2007
Description: Twin-engine electronic sychronizer for aircraft equipped with Hartzell propellers.
TC Nos.: A-765
Models: Raytheon Aircraft CompanyC-45G, D18S, E18S-9700, G18S, H18
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA188CE	Status: Current	App Date: 12/05/1963	Rev Date: 04/30/2007
Description: Twin-engine synchronizer.
TC Nos.: 3A20
Models: Raytheon Aircraft Company65, 65-80, 65-A80
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA20GL	Status: Historical	App Date: 03/24/1972	Rev Date: 06/17/2005
Description: Installation of Woodward Type II electronic propeller synchronizer or synchrophaser system. (G-44A MODIFIED COLEMILL - STC 2-13) (500-A modified - Colemill STC SA340SO)
TC Nos.: 1A10, 3A10, 3A25, 6A1, A-734, A11EU, A12SW, A17EU, A23EU, A23SO, A25CE, A2CE, A31EU, A6CE, A7CE, A7SO
Models: B-N Group Ltd.BN-2, BN-2A, BN-2A-2, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9 British Aerospace (Scotland)B.206 Series 2 Gulfstream Aerospace CorporationG-44 Series, G-44A Partenavia Costruzioni Aeronauticas S.p.A.P68 TC "Observer", P68C, P68C-TC Reims Aviation S.A.F337E, F337F, F337G, FT337E, FT337F, FT337GP The Cessna Aircraft Company310, 310A (USAF U-3A), 310B, 310C, 310D, 310E (USAF U-3B), 310F, 310G, 310H, 310I, 310J, 310K, 310L, 310N, 310P, 310Q, 320, 320A, 320B, 320C, 320D, 320E, 320F, 336, 337, 337B, 337C, 337D, 337E, 337F, 337G, 337H, 340, 340A, 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, P337H, T310P, T310Q, T310R, T337B, T337C, T337D, T337E, T337F, T337G, T337H The New Piper Aircraft Inc.PA-23-250, PA-34-200T, PA-42, PA-E23-250 Twin Commander Aircraft Corporation500-A, 500-B, 500-S, 500-U, 700
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA20GL	Status: Current	App Date: 03/24/1972	Rev Date: 04/30/2007
Description: Installation of Woodward Type II electronic propeller synchronizer or synchrophaser system. (G-44A MODIFIED COLEMILL - STC 2-13) (500-A modified - Colemill STC SA340SO)
TC Nos.: 1A10, 3A10, 3A25, 6A1, A-734, A11EU, A12SW, A17EU, A23EU, A23SO, A25CE, A2CE, A31EU, A6CE, A7CE, A7SO
Models: B-N Group Ltd.BN-2, BN-2A, BN-2A-2, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9 British Aerospace (Scotland)B.206 Series 2 Gulfstream Aerospace CorporationG-44 Series, G-44A Partenavia Costruzioni Aeronauticas S.p.A.P68 TC "Observer", P68C, P68C-TC Reims Aviation S.A.F337E, F337F, F337G, FT337E, FT337F, FT337GP The Cessna Aircraft Company310, 310A (USAF U-3A), 310B, 310C, 310D, 310E (USAF U-3B), 310F, 310G, 310H, 310I, 310J, 310K, 310L, 310N, 310P, 310Q, 320, 320A, 320B, 320C, 320D, 320E, 320F, 336, 337, 337B, 337C, 337D, 337E, 337F, 337G, 337H, 340, 340A, 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, P337H, T310P, T310Q, T310R, T337B, T337C, T337D, T337E, T337F, T337G, T337H The New Piper Aircraft Inc.PA-23-250, PA-34-200T, PA-42, PA-E23-250 Twin Commander Aircraft Corporation500-A, 500-B, 500-S, 500-U, 700
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA213CE	Status: Current	App Date: 12/13/1963	Rev Date: 04/30/2007
Description: Twin-engine electronic sychronizer.
TC Nos.: 5A4
Models: Raytheon Aircraft CompanyJ50
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA231CE	Status: Current	App Date: 03/06/1964	Rev Date: 04/30/2007
Description: Twin engine synchronizer.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation560-F, 680-F, 680-FL
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA250CE	Status: Current	App Date: 06/02/1964	Rev Date: 04/30/2007
Description: Installation of Woodward electronic propeller synchraphaser system.
TC Nos.: 2A4, 3A10, 3A16, 3A20, 3A25, 5A4, 6A1, A-765, A12CE, A14CE, A2CE, A2PC, A31CE, A6CE, A7CE, A8EA, A9EA
Models: Bombardier Inc.DHC-6-1, DHC-6-100, DHC-6-200, DHC-6-300 Mitsubishi Heavy Industries Ltd.MU-2B-10, MU-2B-15, MU-2B-20, MU-2B-25, MU-2B-26, MU-2B-30, MU-2B-35, MU-2B-36 Raytheon Aircraft Company58, 58A, 65, 65-80, 65-88, 65-90, 65-A80, 65-B80, 70, 95, 100, 95-55, 95-A55, 95-B55, 99, 99A, A100, A60, A65, A99, A99A, B100, B90, B95, B95A, B99, C-45G, C90, D18S, D95A, E18S-9700, E90, F90, G18S, G50, H18, H50, J50 The Cessna Aircraft Company310D, 310E, 310H, 310I, 310J, 310K, 310L, 310N, 310P, 310Q, 320D, 336, 337, 340, 401, 402, 411, 414, 421, E310H The New Piper Aircraft Inc.PA-31P, PA-31T Twin Commander Aircraft Corporation500-B, 500-S, 500-U, 560-A, 560-E, 560-F, 680, 680-E, 680-F, 680-FL, 680-FL(P), 685, 690, 690A, 720
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA250CE	Status: Historical	App Date: 06/02/1964	Rev Date: 06/24/2005
Description: Installation of Woodward electronic propeller synchraphaser system.
TC Nos.: 2A4, 3A10, 3A16, 3A20, 3A25, 5A4, 6A1, A-765, A12CE, A14CE, A2CE, A2PC, A31CE, A6CE, A7CE, A8EA, A9EA
Models: Bombardier Inc.DHC-6-1, DHC-6-100, DHC-6-200, DHC-6-300 Mitsubishi Heavy Industries Ltd.MU-2B-10, MU-2B-15, MU-2B-20, MU-2B-25, MU-2B-26, MU-2B-30, MU-2B-35, MU-2B-36 Raytheon Aircraft Company58, 58A, 65, 65-80, 65-88, 65-90, 65-A80, 65-B80, 70, 95, 100, 95-55, 95-A55, 95-B55, 99, 99A, A100, A60, A65, A99, A99A, B100, B90, B95, B95A, B99, C-45G, C90, D18S, D95A, E18S-9700, E90, F90, G18S, G50, H18, H50, J50 The Cessna Aircraft Company310D, 310E, 310H, 310I, 310J, 310K, 310L, 310N, 310P, 310Q, 320D, 336, 337, 340, 401, 402, 411, 414, 421, E310H The New Piper Aircraft Inc.PA-31P, PA-31T Twin Commander Aircraft Corporation500-B, 500-S, 500-U, 560-A, 560-E, 560-F, 680, 680-E, 680-F, 680-FL, 680-FL(P), 685, 690, 690A, 720
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA25CE	Status: Current	App Date: 11/16/1961	Rev Date: 04/30/2007
Description: Twin-engine electronic synchronizer.
TC Nos.: 5A4
Models: Raytheon Aircraft CompanyC50
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2955SO	Status: Current	App Date: 07/23/1990	Rev Date: 02/14/2014
Description: Replacement of existing electromechanical fuel quantity indicators with Smiths Industries digital fuel quantity indicators
TC Nos.: A22WE
Models: The Boeing CompanyDC-10-10, DC-10-30, DC-10-40
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA30GL	Status: Historical	App Date: 06/23/1973	Rev Date: 06/17/2005
Description: Installation of electronic engine synchronizer system.
TC Nos.: A10CE, A22CE, A2WE, A5CE
Models: Learjet Inc.23, 24, 24B, 24D, 24E, 24F, 25, 25B, 25C, 25D, 25F, 28, 29 Sabreliner CorporationNA-265-80 The Cessna Aircraft Company500
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA30GL	Status: Current	App Date: 06/23/1973	Rev Date: 04/30/2007
Description: Installation of electronic engine synchronizer system.
TC Nos.: A10CE, A22CE, A2WE, A5CE
Models: Cessna Aircraft Company500 Learjet Inc.23, 24, 24B, 24D, 24E, 24F, 25, 25B, 25C, 25D, 25F, 28, 29 Sabreliner CorporationNA-265-80
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3468NM	Status: Current	App Date: 03/23/1987	Rev Date: 11/05/2013
Description: Installation of a 2300-07-1, 2307-02-1, or 2307-03-1 digital fuel quantity gauge system.
TC Nos.: A3WE
Models: The Boeing Company727-100 Series, 727-200 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3498NM	Status: Current	App Date: 09/29/1987	Rev Date: 11/05/2013
Description: Installation of Smith Aerospace fuel quantity gauge system
TC Nos.: A16WE
Models: The Boeing Company737-100 Series, 737-200 Series, 737-300 Series, 737-400 Series, 737-500 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA412CE	Status: Current	App Date: 10/08/1965	Rev Date: 04/30/2007
Description: Installation of Woodward Electronic Engine synchronizer system.
TC Nos.: A10CE, A5CE
Models: Learjet Inc.23, 24, 24B, 24D, 25, 25B, 25C
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4618SW	Status: Current	App Date: 01/20/1982	Rev Date: 03/17/2022
Description: Installation of the Zee Systems R-12/R-134a Air Conditioning Systems
TC Nos.: A5SW
Models: Fairchild Aircraft CorporationSA226-T, SA226-T(B), SA227-TT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4725SW	Status: Current	App Date: 05/21/1982	Rev Date: 03/17/2022
Description: Installation of Conrac stall warning and stall avoidance system.
TC Nos.: A5SW, A8SW
Models: M7 Aerospace LLCSA226-AT, SA226-T, SA226-TC
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA698CE	Status: Historical	App Date: 12/05/1969	Rev Date: 07/21/2005
Description: Install Woodward electronic engine synchronizer system.
TC Nos.: A7EU
Models: Dassault-AviationFan Jet Falcon Series C, Fan Jet Falcon Series D, Fan Jet Falcon Series E, Fan Jet Falcon Series F
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA698CE	Status: Current	App Date: 12/05/1969	Rev Date: 04/30/2007
Description: Install Woodward electronic engine synchronizer system.
TC Nos.: A7EU
Models: Dassault-AviationFan Jet Falcon Series C, Fan Jet Falcon Series D, Fan Jet Falcon Series E, Fan Jet Falcon Series F
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 1176 Telecom Drive, Creedmoor, NC 27522, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7374SW	Status: Current	App Date: 12/21/1987	Rev Date: 03/17/2022
Description: Installation of a UNS-1A flight management system.
TC Nos.: A5SW
Models: M7 Aerospace LLCSA227-TT
ACO: AIR-750: East Certification Branch ATL

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7440SW	Status: Current	App Date: 10/27/1987	Rev Date: 03/21/2014
Description: Installation of fuel quantity indicators, fuel quantity repeaters and digital calibration units.
TC Nos.: A6WE
Models: The Boeing CompanyDC-9-11, DC-9-12, DC-9-13, DC-9-14, DC-9-15, DC-9-31, DC-9-32, DC-9-32F, DC-9-33F, DC-9-51
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA756CE	Status: Current	App Date: 03/11/1971	Rev Date: 04/30/2007
Description: Install Woodward engine synchronizer system.
TC Nos.: A2WE
Models: Sabreliner CorporationNA-265-40, NA-265-60, NA-265-70
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA756CE	Status: Historical	App Date: 03/11/1971	Rev Date: 07/27/2005
Description: Install Woodward engine synchronizer system.
TC Nos.: A2WE
Models: Sabreliner CorporationNA-265-40, NA-265-60, NA-265-70
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA7729SW	Status: Current	App Date: 03/13/1989	Rev Date: 03/21/2014
Description: Installation of digital fuel quantity indicators, fuel totalizer, and capacitive fuel compensator units.
TC Nos.: 4A25
Models: The Boeing CompanyDC-8-61, DC-8-61F, DC-8-63, DC-8-63F, DC-8-71, DC-8-71F, DC-8-73, DC-8-73F
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA791CE	Status: Current	App Date: 01/22/1971	Rev Date: 04/30/2007
Description: Installation of either of the following electronic synchronizer kits P/N 213521 or P/N 213517.
TC Nos.: A2SW
Models: Israel Aircraft Industries Ltd.1121, 1121A, 1121B, 1123
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA791CE	Status: Historical	App Date: 01/22/1971	Rev Date: 07/27/2005
Description: Installation of either of the following electronic synchronizer kits P/N 213521 or P/N 213517.
TC Nos.: A2SW
Models: Israel Aircraft Industries Ltd.1121, 1121A, 1121B, 1123
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20360 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA8GL	Status: Historical	App Date: 11/14/1972	Rev Date: 06/27/2005
Description: Installation of engine synchronizer kit P/N 213522.
TC Nos.: A22CE
Models: The Cessna Aircraft Company500 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA8GL	Status: Current	App Date: 11/14/1972	Rev Date: 04/30/2007
Description: Installation of engine synchronizer kit P/N 213522.
TC Nos.: A22CE
Models: The Cessna Aircraft Company500 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00181SE	Status: Historical	App Date: 02/26/1999	Rev Date: 02/14/2014
Description: Installation of Model 4033, 4034 and 4038 Transient Suppression Units
TC Nos.: A20WE
Models: The Boeing Company747-100 Series, 747-200B Series, 747-200C Series, 747-200F Series, 747-300 Series, 747SP Series, 747SR Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00388LA-D	Status: Current	App Date: 05/29/1998	Rev Date: 09/10/2009
Description: Installation of provisions for smoke detection and fire suppression systems, lower cargo compartments.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00399LA-D	Status: Current	App Date: 12/21/1998	Rev Date: 09/10/2009
Description: Installation of smoke detection system, lower cargo compartment.
TC Nos.: A3WE
Models: The Boeing Company727-100 Series, 727-100C Series, 727-200 Series, 727-200F Series, 727C Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00403LA-D	Status: Current	App Date: 12/22/1998	Rev Date: 09/10/2009
Description: Installation of smoke detection system, lower cargo compartments.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-14, DC-9-15, DC-9-15F, DC-9-31, DC-9-32, DC-9-32F, DC-9-33F, DC-9-41
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00404LA-D	Status: Current	App Date: 03/08/1999	Rev Date: 09/10/2009
Description: Installation of smoke detection and fire suppression systems provisions, lower cargo compartments.
TC Nos.: A16WE
Models: The Boeing Company737-400 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00406LA-D	Status: Current	App Date: 03/30/1999	Rev Date: 09/10/2009
Description: Installation of Smoke Detection and Fire Suppression Systems, Lower Cargo Compartments.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-81, DC-9-82
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00511LA	Status: Current	App Date: 09/26/1997	Rev Date: 09/10/2009
Description: Installation of a smoke detection and fire suppression system.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00740LA-D	Status: Current	App Date: 01/14/1999	Rev Date: 09/10/2009
Description: Installation of smoke detection and fire suppression systems provisions, lower cargo compartments.
TC Nos.: A16WE
Models: The Boeing Company737-300 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00745LA-D	Status: Current	App Date: 01/13/1999	Rev Date: 09/10/2009
Description: Installation of Lower Cargo Compartment Smoke Detection and Fire Suppression Systems.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00746LA-D	Status: Current	App Date: 12/22/1998	Rev Date: 09/10/2009
Description: Installation of smoke detection system, lower cargo compartment.
TC Nos.: 4A25
Models: McDonnell Douglas CorporationDC-8-61, DC-8-61F, DC-8-62, DC-8-62F, DC-8-63, DC-8-63F, DC-8-71, DC-8-71F, DC-8-73, DC-8-73F
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00751LA-D	Status: Current	App Date: 04/12/1999	Rev Date: 09/10/2009
Description: Installation of lower cargo compartment smoke detection and fire suppression.
TC Nos.: A16WE
Models: The Boeing Company737-500 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00765LA-D	Status: Current	App Date: 08/03/2000	Rev Date: 09/10/2009
Description: Installation of smoke detection and fire suppression systems provisions.
TC Nos.: A3WE
Models: The Boeing Company727-100 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00847SE	Status: Current	App Date: 02/26/1999	Rev Date: 02/05/2014
Description: Installation of Model 4035 Transient Suppression Units on Boeing 737 Classic Airplanes fitted with Smiths Digital Fuel Gauging Systems
TC Nos.: A16WE
Models: The Boeing Company737-100 Series, 737-200 Series, 737-300 Series, 737-400 Series, 737-500 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00982LA-D	Status: Current	App Date: 04/04/2000	Rev Date: 09/10/2009
Description: Installation of smoke detection and fire suppression systems provisions.
TC Nos.: A6WE
Models: McDonnell Douglas CorporationDC-9-31
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00986LA-D	Status: Current	App Date: 07/27/2000	Rev Date: 09/10/2009
Description: Installation of lower cargo compartment smoke detection system provisions.
TC Nos.: 4A22
Models: Lockheed Aircraft Corporation188A, 188C
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00990LA-D	Status: Current	App Date: 01/31/2001	Rev Date: 09/10/2009
Description: Installation of smoke detection system in lower cargo compartments.
TC Nos.: A16WE
Models: The Boeing Company737-200 Series, 737-200C Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST00991LA-D	Status: Current	App Date: 02/01/2001	Rev Date: 09/10/2009
Description: Installation of Smoke Detection and Fire Suppression Systems.
TC Nos.: A3WE
Models: The Boeing Company727-200 Series
ACO: AIR-770: West Certification Branch LA

STC Holder: Ontic Engineering and Manufacturing Inc. 20400 Plummer Street, Chatsworth, CA 91311, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST01234SE	Status: Current	App Date: 09/13/2001	Rev Date: 03/21/2014
Description: Installation of Model 4036-01 Gauging Transient Suppression Units
TC Nos.: A16WE
Models: The Boeing Company737-100 Series, 737-200 Series, 737-300 Series
ACO: AIR-770: West Certification Branch LA