The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 25

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01801AT	Status: Historical	App Date:	Rev Date: 10/12/2001
Description: Modification of the standard exhaust system.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172I, 172K, 172L, 172M, 172N, 172P
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01801AT	Status: Current	App Date: 05/30/1997	Rev Date: 05/20/2025
Description: For the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002.
TC Nos.: 3A12, 3A17, A4EU
Models: Reims Aviation S.A.Cessna F172D, Cessna F172E, Cessna F172F, Cessna F172G, Cessna F172H, Cessna F172K, Cessna F172L, Cessna F172M, Cessna F172N, Cessna F172P Textron Aviation Inc.172R, 172S, 175, 175A, 175B, 175C The Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F, 172F (USAF T-41A), 172G, 172H, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01801AT	Status: Historical	App Date: 05/30/1997	Rev Date: 10/16/2003
Description: For the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002.
TC Nos.: 3A12, A4EU
Models: Reims Aviation S.A.Cessna F172D, Cessna F172E, Cessna F172F, Cessna F172G, Cessna F172H, Cessna F172K, Cessna F172L, Cessna F172M, Cessna F172N, Cessna F172P The Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F, 172F (USAF T-41A), 172G, 172H, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q
ACO: AIR-7A0: Atlanta ACO Branch

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01801AT	Status: Historical	App Date: 05/30/1997	Rev Date: 07/24/2003
Description: For the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002.
TC Nos.: 3A12, A4EU
Models: Reims Aviation S.A.Cessna F172D, Cessna F172E, Cessna F172F, Cessna F172G, Cessna F172H, Cessna F172K, Cessna F172L, Cessna F172M, Cessna F172N, Cessna F172P The Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F, 172F (USAF T-41A), 172G, 172H, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172R, 172S
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01801AT	Status: Historical	App Date: 05/30/1997	Rev Date: 09/14/2004
Description: For the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002.
TC Nos.: 3A12, 3A17, A4EU
Models: Reims Aviation S.A.Cessna F172D, Cessna F172E, Cessna F172F, Cessna F172G, Cessna F172H, Cessna F172K, Cessna F172L, Cessna F172M, Cessna F172N, Cessna F172P Textron Aviation Inc.172R, 172S, 175, 175A, 175B, 175C The Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F, 172F (USAF T-41A), 172G, 172H, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01801AT	Status: Historical	App Date: 05/30/1997	Rev Date: 08/22/2003
Description: For the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002.
TC Nos.: 3A12, A4EU
Models: Reims Aviation S.A.Cessna F172D, Cessna F172E, Cessna F172F, Cessna F172G, Cessna F172H, Cessna F172K, Cessna F172L, Cessna F172M, Cessna F172N, Cessna F172P The Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F, 172F (USAF T-41A), 172G, 172H, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA01801AT	Status: Historical	App Date: 05/30/1997	Rev Date: 12/19/2002
Description: Modification of the standard exhaust system.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F, 172F (USAF T-41A), 172G, 172H, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172R, 172S
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02105AT	Status: Historical	App Date:	Rev Date: 08/25/2000
Description: Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System.
TC Nos.: A13CE
Models: The Cessna Aircraft Company177, 177B
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02115AT	Status: Historical	App Date:	Rev Date: 08/25/2000
Description: Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System extractor exhaust system.
TC Nos.: A13CE
Models: The Cessna Aircraft Company177A, 177B
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02168AT	Status: Historical	App Date: 05/20/1999	Rev Date: 02/28/2003
Description: Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System.
TC Nos.: 2A13
Models: The New Piper Aircraft Inc.PA-28-140, PA-28-150, PA-28-160, PA-28-180, PA-28-181
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02168AT	Status: Historical	App Date:	Rev Date: 09/16/2002
Description: Modification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System.
TC Nos.: 2A13
Models: The New Piper Aircraft Inc.PA-28-140, PA-28-180, PA-28-181
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Power Flow Systems Inc 795 Fentress Blvd, Ste A & B, Daytona Beach, FL 32114		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02228AT	Status: Current	App Date: 07/20/2000	Rev Date: 05/20/2025
Description: For model 172 airplanes with Lycoming O-360 engines per STC SA332GL or STC SA4428SW, modification of standard exhaust system. For model 172 with Lycoming O-360 engines per STC SA647CE or STC SA1324CE, modification of standard exhaust system.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172, 172I, 172K, 172L, 172M, 172N, 172P
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02228AT	Status: Historical	App Date:	Rev Date: 01/16/2001
Description: For model 172 airplanes with Lycoming O-360 engines per STC SA332GL or STC SA4428SW, modification of standard exhaust system. For model 172 with Lycoming O-360 engines per STC SA647CE or STC SA1324CE, modification of standard exhaust system.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172, 172I, 172K, 172L, 172M, 172N, 172P
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02448AT	Status: Current	App Date:	Rev Date: 01/08/2002
Description: Replace exhaust system with a tuned exhaust system.
TC Nos.: A16EA
Models: Tiger Aircraft LLCAA-5, AA-5A, AA-5B, AG-5B
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02549AT	Status: Current	App Date: 01/07/2002	Rev Date: 01/09/2003
Description: Modification of engine exhaust system for improved engine performance.
TC Nos.: 2A3
Models: Mooney Aircraft CorporationM20B, M20C, M20D, M20G
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02549AT	Status: Historical	App Date:	Rev Date: 07/19/2002
Description: Modification of engine exhaust system for improved engine performance.
TC Nos.: 2A3
Models: Mooney Aircraft CorporationM20C, M20G
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02674AT	Status: Historical	App Date: 06/05/2003	Rev Date: 06/19/2003
Description: Modification of engine exhaust system for improved engine performance by installation of Power Flow Systems, Inc. Tuned Exhaust System per Master Drawing List, PFS-13740-00, Revision, IR, dated: 06/05/03, Installation Instructions Report, PFS-13750-00, Revision A, dated: 08/30/02 and Instructions for Continued Airworthiness Report, PFS-13760, Revision A, dated: 08/03/02, or later FAA approved revisions.
TC Nos.: A13CE
Models: The Cessna Aircraft Company177, 177A, 177B
ACO: Atlanta ACO Branch, Tel: +1 (404) 474-5500

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02674AT	Status: Current	App Date: 06/05/2003	Rev Date: 12/04/2003
Description: Modification of engine exhaust system for improved engine performance by installation of Power Flow Systems, Inc. Tuned Exhaust System per Master Drawing List, PFS-13740-00, Revision, IR, dated: 06/05/03 or Master Drawing List, PFS-13741-00, Revision, IR, dated: 11/26/03 and Installation Instructions Report, PFS-13750-00, Revision A, dated: 08/30/02 or Installation Instructions contained in Report PFS-13751-00, Revision, IR, dated: 11/26/03 or later FAA approved revision.
TC Nos.: A13CE
Models: The Cessna Aircraft Company177, 177A, 177B
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02871AT	Status: Historical	App Date: 01/15/2004	Rev Date: 05/27/2004
Description: Install Powerflow Systems, Inc., tuned exhaust system to enhance engine performance
TC Nos.: 2A3
Models: Mooney International CorporationM20E, M20F, M20J
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03231AT	Status: Historical	App Date: 03/01/2006	Rev Date: 04/24/2006
Description: Installation of an improved performance exhaust system.
TC Nos.: A1CE
Models: Raytheon Aircraft Company19A, 23, A23-19, B19, B23, C23, M19A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03281AT	Status: Current	App Date: 03/30/2006	Rev Date: 06/07/2006
Description: Install a Power Flow Systems, Incl, tuned exhaust system
TC Nos.: A47CE
Models: Diamond Aircraft Industries GmbHDA 40, DA 40F
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03623AT	Status: Current	App Date: 01/23/2008	Rev Date: 10/01/2008
Description: Installation of Power Flow, Inc. (PFS) "improved performance" exhaust system.
TC Nos.: A20CE, A26EU
Models: Cessna Aircraft Company177RG, F177RG
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03858AT	Status: Current	App Date: 02/16/2010	Rev Date: 06/21/2010
Description: Installation of Power Flow Systems, Inc. (PFS) tuned exhaust system.
TC Nos.: A22NM
Models: Sky International Inc.A-1B, A-1C-180
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1945CE	Status: Historical	App Date: 02/27/1984	Rev Date: 02/19/2004
Description: Increase normal category maximum gross weight from 2300 to 2400 lbs. and increase utility category maximum grow weight from 2000 to 2100 lbs. per Installation Instructions, STC SA1945CE, Gross Weight Increase for the C172N with an FAA approval date of January 3, 1989, or later.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172N
ACO: AIR-750: East Certification Branch ATL

STC Holder: Power Flow Systems Inc 1585 Aviation Center Parkway Hangar #804, Daytona Beach, FL 32114, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR03863AT	Status: Current	App Date: 08/31/2009	Rev Date: 07/16/2010
Description: Installation of Power Flow Systems, Inc. (PFS) tuned exhaust system.
TC Nos.: H10WE
Models: Robinson Helicopter CompanyR22, R22 ALPHA, R22 BETA, R22 MARINER
ACO: AIR-750: East Certification Branch ATL