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No. of STCs: 30

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00013SE	Status: Historical	App Date:	Rev Date: 08/10/1993
Description: Installation of vortex generators, stall fences, and strakes.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00037SE	Status: Historical	App Date:	Rev Date: 11/18/1993
Description: Vortex generators manufactured and installed.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00038SE	Status: Historical	App Date:	Rev Date: 11/18/1993
Description: Vortex generators manufactured and installed.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-325
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00039SE	Status: Historical	App Date:	Rev Date: 11/22/1993
Description: Vortex generators manufactured and installed. (T-1020)
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-350
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00047SE	Status: Historical	App Date:	Rev Date: 03/04/1996
Description: Vortex generators manufactured and installed.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00048SE	Status: Historical	App Date:	Rev Date: 03/04/1996
Description: Vortex generators manufactured and installed.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-325
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00112SE	Status: Historical	App Date:	Rev Date: 08/23/1994
Description: System includes vortex generators, winglets, and gross weight increase.
TC Nos.: A12CE
Models: Raytheon Aircraft Company60, A60, B60
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00126SE	Status: Historical	App Date:	Rev Date: 04/28/1997
Description: Installation of strakes to sides of engines nacelles and vortex generators to the wing upper surface, the vertical tail, and the lower surface of the horizontal tail, together with a gross weight increase to 7,368 lbs.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-350
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00192SE	Status: Historical	App Date:	Rev Date: 03/04/1996
Description: Installation of Super Chieftain I takeoff weight increase kit.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-350
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00202SE	Status: Historical	App Date:	Rev Date: 02/07/1996
Description: Installation of landing weight increase kit.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-350
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA00378SE	Status: Historical	App Date:	Rev Date: 10/15/1996
Description: Boundary Layer Research, Inc, Wing Rib Reinforcement Modification. (and T-1020)
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-350
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4379NM	Status: Historical	App Date:	Rev Date: 01/24/1995
Description: Installation of 1-5 overhead skylights.
TC Nos.: 3A24, 5A6
Models: The Cessna Aircraft Company180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K, 185, 185A, 185B, 185C, 185D, 185E, A185E, A185F
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5717NM	Status: Historical	App Date:	Rev Date: 05/19/1992
Description: Vortex generators.
TC Nos.: A12CE
Models: Raytheon Aircraft CompanyB60
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5723NM	Status: Historical	App Date:	Rev Date: 08/21/1992
Description: Vortex generator kit.
TC Nos.: A12CE
Models: Raytheon Aircraft Company60, A60, B60
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5761NM	Status: Historical	App Date:	Rev Date: 08/25/1992
Description: Vortex generator kit.
TC Nos.: A12CE
Models: Raytheon Aircraft Company60, A60, B60
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5796NM	Status: Historical	App Date:	Rev Date: 01/07/1993
Description: Vortex generators IAW Document AA1113.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-350
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5921NM	Status: Historical	App Date:	Rev Date: 01/19/1993
Description: Vortex generators manufactured IAW Boundry Layer Research Document AA1126 and installed..
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-325
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5967NM	Status: Historical	App Date: 01/05/1993	Rev Date: 01/21/1994
Description: Vortex generators manufactured and installed.
TC Nos.: A20SO
Models: Piper Aircraft Inc.PA-31
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA5968NM	Status: Historical	App Date:	Rev Date: 07/07/1993
Description: Vortex generators manufactured and installed.
TC Nos.: A20SO
Models: The New Piper Aircraft Inc.PA-31-325
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00798SE	Status: Historical	App Date:	Rev Date: 06/22/2000
Description: Fabrication and installation of Boundary Layer Research tail boom mounted strakes.
TC Nos.: H13WE, H15NM, H3SO
Models: Bell Helicopter TextronUH-1H, UH-1H, UH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00798SE	Status: Historical	App Date: 05/01/2000	Rev Date: 03/25/2004
Description: Fabrication and installation of Boundary Layer Research tail boom mounted strakes.
TC Nos.: H1SW, H4SW
Models: Bell Helicopter Textron204B, 205A-1, 205B, 212, 412, 412CF, 412EP
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00929SE	Status: Historical	App Date:	Rev Date: 11/07/2001
Description: Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes in accordance with BLR Master Drawing List No. BL-UH1H-01, Revision D, dated September 10, 2001, or later FAA approved revision; and installation of this strake system in accordance with BLR Installation Drawing List No. BL-UH1H-02, Revision D, dated September 10, 2001, or later FAA approved revision, and BLR Installation Manual No. BH200INS, Revision D, dated September 10, 2001, or later FAA approved revision.
TC Nos.: H11SW, H13WE, H15NM, H3SO, H7NE, H7SO
Models: Bell Helicopter TextronUH-1F, UH-1F, UH-1H, UH-1H, UH-1H, UH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00929SE	Status: Historical	App Date: 02/09/1999	Rev Date: 05/16/2007
Description: Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes.
TC Nos.: H11SW, H12NM, H13WE, H15NM, H3SO, H7NE, H7SO, R00005SE, R00007DE
Models: AST Inc.UH-1F Arrow Falcon Exporters Inc.UH-1H Garlick Helicopters Inc.TH-1F, UH-1F, UH-1H, UH-1P Northwest Rotorcraft LLCUH-1H Tamarack Helicopters Inc.UH-1F US Helicopter Inc.UH-1H Western International Aviation Inc.UH-1H Williams Helicopter CorporationUH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00929SE	Status: Historical	App Date: 02/09/1999	Rev Date: 07/14/2003
Description: Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes in accordance with BLR Master Drawing List No. BL-UH1H-01, Revision D, dated September 10, 2001, or later FAA approved revision; and installation of this strake system in accordance with BLR Installation Drawing List No. BL-UH1H-02, Revision D, dated September 10, 2001, or later FAA approved revision, and BLR Installation Manual No. BH200INS, Revision D, dated September 10, 2001, or later FAA approved revision.
TC Nos.: H11SW, H12NM, H13WE, H15NM, H3SO, H7NE, H7SO
Models: Bell Helicopter TextronUH-1F, UH-1F, UH-1H, UH-1H, UH-1H, UH-1H Garlick Helicopters Inc.TH-1F, UH-1F, UH-1P
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00929SE	Status: Historical	App Date: 02/09/1999	Rev Date: 09/24/2003
Description: Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes.
TC Nos.: H11SW, H12NM, H13WE, H15NM, H3SO, H7NE, H7SO, R00005SE, R00007DE
Models: Arrow Falcon Exporters Inc.UH-1H Bell Helicopter TextronUH-1F, UH-1F, UH-1H, UH-1H, UH-1H, UH-1H Garlick Helicopters Inc.TH-1F, UH-1F, UH-1P Northwest Rotorcraft LLCUH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 3125 100th Street SW Hangar C75-5, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01039SE	Status: Historical	App Date:	Rev Date: 01/17/2002
Description: Fabrication and installation of Boundary Layer Research (BLR) single tail boom mounted strake per Master Drawing List No. BL-UH1H-01, Rev D, dated September 10, 2001, or later FAA approved revision; and per BLR Installation Drawing List No. BL-UH1H-02, Revision D, dated September 10, 2001, (upper strake installation, only) or later FAA approved revision, and BLR Installation Manual No. STBS UH-1, dated January 14, 2002.
TC Nos.: H11SW, H12NM, H13WE, H15NM, H1RM, H3SO, H7NE, H7SO
Models: Bell Helicopter TextronTH-1F, UH-1B, UH-1B, UH-1B, UH-1F, UH-1F, UH-1F, UH-1H, UH-1H, UH-1H, UH-1H, UH-1P
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01470SE	Status: Historical	App Date: 06/06/2003	Rev Date: 11/01/2005
Description: Fabrication and Installation of Boundary Layer Research (BLR) Fast Fin System.
TC Nos.: H11SW, H12NM, H13WE, H15NM, H3SO, H7NE, H7SO, R00005SE, R00007DE
Models: AST Inc.UH-1F Arrow Falcon Exporters Inc.UH-1H Garlick Helicopters Inc.UH-1F, UH-1H Hagglund Helicopters LLCUH-1H Northwest Rotorcraft LLCUH-1H Tamarack Helicopters Inc.UH-1F US Helicopter Inc.UH-1H Williams Helicopter CorporationUH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01470SE	Status: Historical	App Date: 06/06/2003	Rev Date: 10/08/2004
Description: Fabrication of Boundary Layer Research (BLR) Fast Fin System in accordance with BLR Master Drawing List No. 205-MDL-000, Revision B, dated June 21, 2004 or later Federal Aviation Administration (FAA) approved revision; and installation of the BLR Fast Fin System in accordance with BLR Installation Manual No. 205-IM-1001, Revision A, dated May 22, 2004, or later FAA approved revisions.
TC Nos.: H13WE, H15NM, H3SO, H7SO, R00007DE
Models: Arrow Falcon Exporters Inc.UH-1H Garlick Helicopters Inc.UH-1H Hagglund Helicopters LLCUH-1H US Helicopter Inc.UH-1H Williams Helicopter CorporationUH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01508SE	Status: Historical	App Date: 05/27/2003	Rev Date: 06/30/2006
Description: Fabrication of Boundary Layer Research (BLR) Dual Tail Boom Strake System.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206, 206A, 206A-1 (OH-58A), 206B, 206B-1, 206L, 206L-1, 206L-3
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Boundary Layer Research Inc 9730 29th Ave W, Hangar C-106, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01727SE	Status: Historical	App Date: 08/14/2006	Rev Date: 12/18/2006
Description: Fabrication of Boundary Layer Research (BLR) Dual Tail Boom Strake System
TC Nos.: H22NM, R00002LA, R00006DE
Models: Arrow Falcon Exporters Inc.OH-58A, OH-58A+, OH-58C Garlick Helicopters Inc.OH-58A, OH-58A+, OH-58C San Joaquin HelicoptersOH-58A, OH-58A+, OH-58C
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500