Skip to content

FAA STC category

Engine and powerplant STCs

Engine, turbine, exhaust, nacelle, inlet, and related powerplant changes. This directory contains 1,512 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.

Showing 1,201–1,320 of 1,512Page 11 of 13
SR01274SEEngine and powerplant

Installation of an additional engine oil low level warning lights per Columbia Helicopters, Inc. Master Drawing List Document No. 02-AVI-0912, Revision B, dated January 19, 2004, or later Federal Aviation Administration (FAA) approved revision. The modification must be maintained in accordance with Columbia Helicopters, Inc. Maintenance Manual Supplement Document No. C07-2/79-10-00, Revision 0, dated November 28, 2003, or later FAA approved revision.

FAA holder: Columbia Helicopters Inc

View record
SA02674ATEngine and powerplant

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.

FAA holder: Power Flow Systems Inc

View record
SA02624ATEngine and powerplant

This STC converts the Mooney M20L to essentially an M20R. The STC requires minor changes to the aircraft structure and includes installation of a Continental IO-550-N16B engine (The engine is operated at the performance limits of 280 hp at 2500 rpm just like the Continental IO-550-G used on the Mooney M20R.) The STC is to be accomplished in accordance with Mod Works Master Document List, MW8800-000, Revision "B", dated April 30, 2003, or later FAA approved revision.

FAA holder: Mod Works Inc

View record
SA2163NMEngine and powerplant

Installation of the Precise Flight, Inc. Stand-By Vacuum System (SVS) in accordance with Installation Report 08074, Revision -, dated January 7, 2000, or later FAA approved revision. NOTE: As a prerequisite to this change, the engine must be modified in accordance with Precise Flight, Inc. STC No. SE1780NM, dated April 21, 2000, or later FAA approved revision. Also, modified aircraft must be equipped with a vacuum indicator.

FAA holder: Precise Flight Inc

View record
SA3237WEEngine and powerplant

Installation of a United Aircraft of Canada PT6A-27 or PT6A-34 engine in accordance with Serv-Aero Engineering, Inc. Drawing List 537761, revision dated July 15, 1976, or later FAA Sealed revisions. FAA approved Serv-Aero Engineering, Inc. Airplane Flight Manual dated November 30, 1976, or later FAA approved revisions, is required as part of this installation for the PT6A-27 engine. FAA approved Serv-Aero Engineering, Inc. Airplane Flight Manual dated July 23, 1976, or later FAA approved revisions, is required as part of this installation for the PT6A-34 engine. Aircraft incorporating the PT6A-34AG engine and engines converted to the PT6A-34AG configuration per Ayres Corporation Service Bulletin 001 dated August 25, 1977, or later FAA approved revisions, require Ayres Corporation Airplane Flight Manual (AFM) dated August 29, 1977, or later approved revisions. This AFM replaces the Serv-Aero Engineering, Inc. AFM and basic S-2R AFM.

FAA holder: Thrush Aircraft Inc.

View record
SA3238WEEngine and powerplant

Installation of a United Aircraft of Canada PT6A-27 or PT6A-34 engine in accordance with Serv-Aero Engineering, Inc. Drawing List 527761, revision dated July 15, 1976, or later FAA Sealed revisions. FAA approved Serv-Aero Engineering, Inc. Airplane Flight Manual dated November 30, 1976, or later FAA approved revisions, is required as part of this installation for the PT6A-27 engine. FAA approved Serv-Aero Engineering, Inc. Airplane Flight Manual dated July 23, 1976, or later FAA approved revisions, is required as part of this installation for the PT6A-34 engine. Aircraft incorporating the PT6A-34AG engine and engines converted to the PT6A-34AG configuration per Ayres Corporation Service Bulletin 001 dated August 25, 1977, or later FAA approved revisions, require Ayres Corporation Airplane Flight Manual (AFM) dated August 29, 1977, or later approved revision, and Ayres Corporation AFM Supplement for Restricted Category Operation dated August 29, 1977, or later approved revision. This AFM and supplement replace the Serv-Aero Engineering, Inc. AFM and basic S-2R AFM.

FAA holder: Thrush Aircraft Inc.

View record
SA3767WEEngine and powerplant

Installation of 500 gallon fiberglass hopper and relocated oil cooler in accordance with FAA sealed Serv-Aero Engineering, Inc. Master Drawing List No. MDL 83178, dated October 26, 1978, or later FAA approved revision. P & W PT6A-34 engine installed per STC SA3238WE and FAA approved Serv-Aero Airplane Flight Manual dated October 26, 1978, are required with this installation. (S2R RESTRICTED CATEGORY).

FAA holder: Thrush Aircraft Inc.

View record
SA3842WEEngine and powerplant

Installation of 500 gallon fiberglass hopper and relocated oil cooler and deletion of the alternate air inlet doors in accordance with FAA sealed Serv-Aero Engineering, Inc. Master Drawing List No. MDL 83178, dated October 26, 1978, or later FAA approved revision. P & W PT6A-34 engine installed per STC SA3237WE and FAA approved Serv-Aero Airplane Flight Manual Supplement dated January 25, 1979, are required with this installation. (S2R NORMAL CATEGORY).

FAA holder: Thrush Aircraft Inc.

View record
SA3961WEEngine and powerplant

Installation of extended engine mount, revised cowling and induction system, Hamilton Standard 22D40 or 12D40 constant speed propeller, and modified elevator trim tab system in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL5379, dated May 3, 1979, or later FAA approved revision. Pratt and Whitney R1340-AN-1 engine previously installed per Type Certificate A4SW is required with this installation. (Restricted Category).

FAA holder: Thrush Aircraft Inc.

View record
SA4046WEEngine and powerplant

Installation of passenger/cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 10379 "A", dated November 16, 1979, or later FAA approved revision. Pezetel PZL-3S engine is required with this installation. FAA Approved Serv-Aero Airplane Flight Manual No. 101079 dated November 26, 1979 is required with this installation. (S2R S/N 2526R and up modified by STC SA3897WE) (S2R-R3S S/N R3S-001 AND UP).

FAA holder: Thrush Aircraft Inc.

View record
SA4047WEEngine and powerplant

Installation of passenger/cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 101179 "A", dated November 16, 1979, or later FAA approved revision. Pezetel PZL-3S engine is required with this installation. FAA Approved Serv-Aero Airplane Flight Manual No. 101079 dated November 26, 1979 is required with this installation. (S2R S/N 2526R AND UPmodified by STC SA3897WE) (S2R-R3S S/N R3S-001 AND UP, NORMAL CATEGORY).

FAA holder: Thrush Aircraft Inc.

View record
SA4268WEEngine and powerplant

Installation of Wright R-1820-71, -60, GR1820G-202A; 702C9GC1, 2, 3, 4; 704C9GC1, 2, 3, or 4 engines and Hamilton Standard 43D50 or 33D50 constant speed propeller or Wright R1820-97 engine and H.S. 23E50 propeller, 506 gallon fiberglass hopper, wing mounted oil cooler, and revised cargo compartment in accordance with Serv-Aero Engineering, Inc. FAA sealed Master Drawing List MDL 9700 "A", dated November 24, 1980, or later FAA approved revision. FAA Approved Serv-Aero Airplane Flight Manual No. 112680, dated November 26, 1980 is required with this modification. See continuation sheets. (S2R, S/N 2526R AND UP, S2R-R3S, S/N R3S-001 AND UP).

FAA holder: Thrush Aircraft Inc.

View record
SA232SOEngine and powerplant

Change Aeronca Model 7AC powerplant from Teledyne Continental Motors (TCM) model C65-8 to TCM model C85-12 or C85-12F or change Aeronca model 7BCM from TCM model C85-8 series engine to the C85-12 or C85-12F in accordance with Star Aircraft Company Instruction S.A. 301 and Report No. 300R. Either modification can use the Sensenich model 72GK propeller with pitch settings from 44 through 50 inches. The Notes Section of Type Certificate Data Sheet, P-170, has information concerning required plates, flange adapters, etc.

FAA holder: Lasher Charles David

View record