SA10082SCEngine and powerplant
Installation of Texas Skyways engine mount.
FAA holder: Texas Skyways Inc
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 1,321–1,440 of 1,512Page 12 of 13
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SA5715SWEngine and powerplant
Install turbosupercharger with Teledyne O-470-S engine.
FAA holder: General Aviation Modifications, Inc.
SA541ALEngine and powerplant
Installation of Avco Lycoming O-360-A2A engine and McCauley 1A200/DFA8245 propeller. For PA-14 normal category only.
FAA holder: Center Charles C
SA2354SWEngine and powerplant
Installation of Teledyne Continental TSIO-520-N, or -NB engine.
FAA holder: RAM Aircraft Limited Partnership
SA2689SWEngine and powerplant
Install TSIO-520-M engine in models T210F, T210G, and T210H; or TSIO-520-R engine in models T210J, T210K, and T210L.
FAA holder: RAM Aircraft Limited Partnership
SA2750SWEngine and powerplant
Installation of Continental TSIO-520-E or -EB engine.
FAA holder: RAM Aircraft Limited Partnership
SE5868SWEngine and powerplant
Modify Teledyne O-470-S engine to install a turbosupercharger.
FAA holder: General Aviation Modifications, Inc.
SA10067SCEngine and powerplant
Remove Teledyne Continental Motors A-40 engine and replace with Teledyne Continental Motors C90-8FJ and McCauley DCM6948 propeller and modify airframe from A-1 to A-4C.
FAA holder: Pellegreno Dominick
ST1048NWEngine and powerplant
Installation of a Franklin 6A-335-B engine, McCauley 2A31C21/84S-4 to -8 propeller, and associated systems; or installation of a Franklin 6A350-C1R or -C2 engine with McCauley 2A31C21/84S-4, or -8 or McCauley 2A34C22/84SF-4, -6, -8, or -10, or McCauley 2A34C201/90DA or Hartzell HC-C2YF-1BF/F8459-4 to -8 or MT-Propeller MTV-12-D/19230D propeller and associated systems.
FAA holder: Kown Bruce
SA2925SOEngine and powerplant
Installation of the Garrett engine or engines (TPE331-8) modified by STC SE2924SO.
FAA holder: National Flight Lakeland
SE2924SOEngine and powerplant
Installation of Garrett TPE-331-10 combustor and turbine in the TPE331-8 engine.
FAA holder: National Flight Lakeland
SR00125BOEngine and powerplant
Installation of a Pratt & Whitney Engine Services, Inc.-Honeywell IntelliStart Plus+TM Electronic Control System P/N DPU-K-010.
FAA holder: Pratt & Whitney Engine Services Inc.
SA09467SCEngine and powerplant
Installation of Teledyne Continental Motors IO-550 or IO-520 engine and Hartzell Model No. PHC-C3YF-1RF/F8468A-6R propeller.
FAA holder: Texas Skyways Inc
SA4081NMEngine and powerplant
Installation of Avco Lycoming IO-360-A1B6 or IO-360-A1B6D engine equipped with FliteCraft Turbo turbocharger.
FAA holder: General Aviation Modifications, Inc.
SE4082NMEngine and powerplant
Installation of turbocharger.
FAA holder: General Aviation Modifications, Inc.
ST02167ATEngine and powerplant
Installation of Stage 3 engine hushkit.
FAA holder: Quiet Technology Aerospace
SA2503WEEngine and powerplant
Installation of replacement cooling turbine nozzle assembly.
FAA holder: Repairtech Intl
SA01003ATEngine and powerplant
Installation of left hand side nacelle fuel cell assembly.
FAA holder: Floats & Fuel Cells
SA2902SWEngine and powerplant
APU exhaust door modification.
FAA holder: L-3 Communications Integrated Systems LP
SA5042SW-DEngine and powerplant
Modificaton of the potable water system, installation of floor pans, handrail installation, battery bus disconnect, removal of the engine vibration monitoring (AVM) system; and Q-Spring heater modification.
FAA holder: L-3 Communications Integrated Systems LP
SA01108SEEngine and powerplant
Install a Lycoming O-540 engine and McCauley 1P235PFA7966 propeller per George Leighton photographs L-1 to L-9.
FAA holder: George E. Leighton
SA01040SEEngine and powerplant
Installation of EMM-35 engine monitoring system installed using Arnav document Engine Monitoring Accessing Kit p/n 570-1210, Rev D dtd 10/18/02 or later rev. EMM-35 must be manufactured using TSO authorization for TSO C113.
FAA holder: Arnav Systems Inc
SA00477DEEngine and powerplant
Installation of engine cowling, baffle, exhaust, and oil cooler. Limited to installation on PA-28-140, serial number 28-7325528 ONLY.
FAA holder: Flightline Aviation Services Inc.
SA02195AKEngine and powerplant
Installation of Lycoming O-360-A2A engine, McCauley 1A200/FA8242 propeller, custin engine mount and pressure cowling. Eligible for installation on serial number Piper PA-12, serial number 12-572 ONLY.
FAA holder: Baum James L.
SA09018SCEngine and powerplant
Installation of modified engine and propeller system.
FAA holder: Texas Skyways Inc
SA09026SCEngine and powerplant
Installation of modified engine and propeller system.
FAA holder: Texas Skyways Inc
SA00150BOEngine and powerplant
Installation of Continental TSIO-520-R engine, McCauley D3A34C402/90DFA10 propeller. Approved for installation on serial number 21063886 ONLY.
FAA holder: Ver Lee Peter N.
SE09997SCEngine and powerplant
Modification of Teledyne Continental Motors IO-520-B or IO-520-BA or IO-520-BB engine.
FAA holder: Barrett Performance Aircraft
SA02527ATEngine and powerplant
Installation of a landing gear in-transit warning light in 337 models that are equipped with an electric motor to retract landing gear instead of engine driven hydraulic pump.
FAA holder: Aviation Enterprises
SA00861LAEngine and powerplant
Modification of lower right nose cowl to provide access to exhaust system and turbo charger.
FAA holder: Ellis & Associates CADD/Technical Illustrations
ST02519ATEngine and powerplant
Installation of replacement engine pylon strut side skin panels.
FAA holder: Delta Airlines Inc
SA02510ATEngine and powerplant
Installation of a rear firewall engine accessory access door.
FAA holder: Aviation Enterprises
SA4-1119Engine and powerplant
Installation of a PBY-6A tail on a 28-5ACF airplane with American Turbine Engine Company Spec PBY-6A-468 and American Turbine Engine Company Drawings PBY-109, PBY-110, PBY-111, and PBY-112.
FAA holder: West-Figueroa Trust
SA4-1154Engine and powerplant
Installation of a Cargo loading door per American Turbine Engine C, Drawing ALA-100, ALA-101, and ALA-102.
FAA holder: West-Figueroa Trust
SA2501WEEngine and powerplant
Installation of replacement cooling turbine nozzle assembly.
FAA holder: Repair Tech Intl
SA5839NMEngine and powerplant
Installation of engine inlet and exhaust noise attenuation treatment including incorporation of respaced inlet guide vanes, exhaust gas internal mixers, acoustic spacers, and either increased area tailpipes or standard tailpipes.
FAA holder: Federal Express Corp
ST01484NYEngine and powerplant
Installation of exhaust outlet.
FAA holder: Aero Consulting Services Ltd
SA01062SEEngine and powerplant
Install structural reinforcement for increased engine weight and provisions for increased gross weight.
FAA holder: Deluca of California Inc.
SA1573NMEngine and powerplant
Replacement of the existing fan speed indicators (N1), turbine speed indicators (N2), and interstage turbine temperature indicators (ITT) with Intercontinental Dynamics Corp. (IDC) indicators.
FAA holder: Learjet Inc.
SA1575NMEngine and powerplant
Replacement of the existing fan speed indicators (N1), turbine speed indicators (N2), and interstage turbine temperature indicators (ITT) with Intercontinental Dynamics Corp. (IDC) indicators.
FAA holder: Learjet Inc
SA1588NMEngine and powerplant
Replacement of the existing fan speed indicators (N1), turbine speed indicators (N2), and interstage turbine temperature indicators (ITT), with Intercontinental (IDC) indicators.
FAA holder: Learjet Inc.
SA2727NMEngine and powerplant
Replacement of existing fan speed indicators (N1), turbine speed indicators(N2), and interstage turbine.
FAA holder: Learjet Inc
SE09773SCEngine and powerplant
Modification of Teledyne Continental Motors O-470-U engine.
FAA holder: Texas Skyways Inc
SA00621LAEngine and powerplant
Installation of an electronic digital engine tachometer, horizon model P-1000.
FAA holder: Horizon Instruments Inc
SA00622LAEngine and powerplant
Installation of an electronic digital engine tachometer horizon model P-1000.
FAA holder: Horizon Instruments Inc
SA5821NMEngine and powerplant
Installation of an electronic digital engine tachmoter, Model P-1000.
FAA holder: Horizon Instruments Inc
SA5823NMEngine and powerplant
Installation of an engine electronic digital tachometer, Model P-1000.
FAA holder: Horizon Instruments Inc
SA5824NMEngine and powerplant
Installation of an engine electronic digital tachometer, Model P-1000.
FAA holder: Horizon Instruments Inc
SA5838NMEngine and powerplant
Installation of an engine electronic digital tachometer.
FAA holder: Horizon Instruments Inc
SA5841NMEngine and powerplant
Installation of an engine electronic digital tachometer.
FAA holder: Horizon Instruments Inc
SA5843NMEngine and powerplant
Installation of an engine electronic digital tachometer.
FAA holder: Horizon Instruments Inc
SA5844NMEngine and powerplant
Installation of an electronic digital engine tachometer, Model P-1000, P/N P100030- .
FAA holder: Horizon Instruments Inc
SA6016NMEngine and powerplant
Installation of an electronic digital engine tachometer, Horizon Model P-1000, P/N P100050-( ).
FAA holder: Horizon Instruments Inc
SA6018NMEngine and powerplant
Installation of an electronic digital engine tachometer, Model P-1000, P/N P100074-.
FAA holder: Horizon Instruments Inc
SA6019NMEngine and powerplant
Installation of an electronic digital engine tachometer.
FAA holder: Horizon Instruments Inc
SA6022NMEngine and powerplant
Installation of an electronic digital engine tachometer, Model P-1000. Issued 5/18/93.
FAA holder: Horizon Instruments Inc
SA6023NMEngine and powerplant
Installation of an electronic digital engine tachometer, Model P-1000.
FAA holder: Horizon Instruments Inc
SA7092NMEngine and powerplant
Installation of an engine Electronic Digital Tachometer Horizon Model P-1000, P/N P100200- .
FAA holder: Horizon Instruments Inc
SA02448ATEngine and powerplant
Replace exhaust system with a tuned exhaust system.
FAA holder: Power Flow Systems Inc
SA572CEEngine and powerplant
Installation of Lycoming 150 or 160 hp Model O-320 engine.
FAA holder: Williams Robert or Barbara
SA02364ATEngine and powerplant
Modify engine exhaust system to install mufflers and associated exhaust pipes and hardware. STC approved for serial number 1257 ONLY.
FAA holder: Winged Vision, Inc
SA1456GLEngine and powerplant
Installation of Lycoming engine Model O-540-B2B5-C-A1D5 or O-540-B2C5-C-A1D5 (rated at 250 hp at 2575 rpm maximum) in Piper Pawnee Model PA-25-235 (restricted category).
FAA holder: Howard Kron
SE1433GLEngine and powerplant
Convert Lycoming aircraft engine Model O-540-B2B5 or O-540-B2C5 rated at 235 hp at 2575 rpm to a O-540-B2B5-C-AlD5 or O-540-B2C5-C-A1D5 rated at 250 hp at 2575 rpm maximum.
FAA holder: Kron Howard
SA1664NMEngine and powerplant
Installation of engine driven air conditioning compressor.
FAA holder: Machen Inc
SA00464DEEngine and powerplant
Installation of a Textron Lycoming O-360-C2A engine and McCauley model 1A200HFA8041 or 1A200FA8054 propeller. Approved for serial number 439-73 ONLY.
FAA holder: Carson Dan F.
SA01016SEEngine and powerplant
Installation of an engine control lever friction bolt retainer.
FAA holder: Wings Aloft Inc.
SA02419ATEngine and powerplant
Manufacture of Composite Engine Cowlings.
FAA holder: D & E Aerospace Structure
SA09964SCEngine and powerplant
Installation of engine mount heat shields.
FAA holder: Texas Skyways Inc
SR01400NYEngine and powerplant
Installation of Alpine Aerotech Ltd. exhaust duct.
FAA holder: Alpine Aerotech Limited
SA09960SCEngine and powerplant
Installation of Teledyne Continental Motors IO-550 engine.
FAA holder: Texas Skyways Inc
SA09216SCEngine and powerplant
Installation of inconel exhaust system parts coated per RAM Specification No. 1785, Revision C, dated 12/22/95.
FAA holder: RAM Aircraft Limited Partnership
SA2782SWEngine and powerplant
Installation of Continental TSIO-520-M engine.
FAA holder: RAM Aircraft Limited Partnership
SA4213SWEngine and powerplant
Installation of repaired modified exhaust riser assemblies.
FAA holder: RAM Aircraft Limited Partnership
SA4578SWEngine and powerplant
Installation of an auxiliary engine driven vacuum pump system.
FAA holder: RAM Aircraft Limited Partnership
SA4592SWEngine and powerplant
Installation of improved engine cooling baffle and improved exhaust system slip joints.
FAA holder: RAM Aircraft Limited Partnership
SA4599SWEngine and powerplant
Installation of an auxiliary engine driven vacuum pump system.
FAA holder: RAM Aircraft Limited Partnership
SA4600SWEngine and powerplant
Installation of an auxiliary engine driven vacuum pump system.
FAA holder: RAM Aircraft Limited Partnership
SA5423SWEngine and powerplant
Modification of engine cooling air louvres on top of cowling.
FAA holder: RAM Aircraft Limited Partnership
SE09261SCEngine and powerplant
Modify engine to increase power output rating from 310 hp to 335 hp, install Garrett/AlliedSignal TA-81 turbocharger, RAM intercooler, RAM economy camshaft, RAM oil pump pickup tube, RAM forged pistons with gapless rings, and 0.02 inch undersized crankshaft.
FAA holder: RAM Aircraft Limited Partnership
SE8338SWEngine and powerplant
Install locknuts on cylinder attachment studs and thru-bolts, and install 6 additional cylinder attachment studs onto engine crankcases.
FAA holder: RAM Aircraft Limited Partnership
SA09952SCEngine and powerplant
Installation of Teledyne Continental Motors IO-550 engine.
FAA holder: Texas Skyways Inc
SA01528CHEngine and powerplant
Installation of Walter M601E-11 model turbine engine and an AVIA Propeller Limited VJ8.510 or VJ8.510AG propeller system or Hartzell HC-B3TW-3/T10282NS+4 model propeller.
FAA holder: Turbine Conversions Ltd
SE01200LAEngine and powerplant
Installation of Pratt & Whitney R-2800 engine cylinder assemblies on altered P&WA R-1340 engine models.
FAA holder: Aircraft Cylinder & Turbine Inc.
SA02386ATEngine and powerplant
Installation of engine cowling and firewall fasteners.
FAA holder: Skybolt Aeromotive Corp
SA02387ATEngine and powerplant
Installation of engine cowling and firewall fasteners.
FAA holder: Skybolt Aeromotive Corp
SA3284SOEngine and powerplant
Installation of engine cowling and firewall fasteners. (150 S/N 15060088 THRU15079405) (A150K S/N A1500001 THRU A1500684)).
FAA holder: Skybolt Aeromotive Corp
SA3285SOEngine and powerplant
Installation of engine cowling and firewall fasteners. (172 S/N 54893 THRU 76673) (R172 SERIES S/N 2000 THRU 3454).
FAA holder: Skybolt Aeromotive Corp
SA3286SOEngine and powerplant
Installationof engine cowling and firewall fasteners. (177 S/N 00001 THRU 02752) (177 RG S/N 0001 THRU 1366).
FAA holder: Skybolt Aeromotive Corp
SA3287SOEngine and powerplant
Installation of engine cowling and firewall fasteners. (182 S/N 61426 THRU 68542) (182 SERIES S/N 61426 THRU 68542).
FAA holder: Skybolt Aeromotive Corp
SA00957SEEngine and powerplant
Installation of Salmson Model AD9 engine in accordance with Paul T. Cullman Installation Instructions No. 1, dated July 19, 2001. Approved for serial number 1206 ONLY.
FAA holder: Cullman Paul T.
SA00982WIEngine and powerplant
Installation of Liese-2xV60 engine exhaust silencer system. This STC is not to be transferred since its issuance was IAW 14 CFR 21.29 and based upon a validation of German LBA EMZ No. 0724/534/534a/627/627a.
FAA holder: Hermann Liese Flugtechnik
SA3700NMEngine and powerplant
This modification installs an air to air intercooler in engine air induction system downstream of the turbocharger.
FAA holder: Airmotive Industries, Inc.
SA4566NMEngine and powerplant
This modification installs an air to air intercooler in engine air induction system dowstream of the turbocharger.
FAA holder: Airmotive Industries, Inc.
SE3701NMEngine and powerplant
Installation of an intercooler in engine Air induction duct downstream of turbocharger per engine portion. STC SA3700NM is required as part of this installation.
FAA holder: Airmotive Industries, Inc.
SE4567NMEngine and powerplant
Installation of intercooler in the air induction duct downstream of turbocharger. (TSIO-360-GB 1, 3, 4).
FAA holder: Airmotive Industries, Inc.
SH5974NMEngine and powerplant
Replacement of existing combustion type cockpit heater with an engine bleed air type heater system.
FAA holder: Erickson Air Crane Inc. dba Erickson Air-Crane
SA1666NMEngine and powerplant
Installation of a Franklin 6A-335-B or 6A-335-B1 engine, McCauley 2A31C/84S-4 to -8 propeller, spinner and associated systems. Modification includes installation of a 40 amp alternator, Model SFA 5582.
FAA holder: Franklin Aircraft Engines Inc.
SA1815SWEngine and powerplant
Installation of AiResearch TPE331-1-151 engine.
FAA holder: Gulfstream Aerospace Corporation
ST09829SCEngine and powerplant
Installation of fuel tank isolation baffles at number one and number four engine pylons.
FAA holder: North American Aircraft Services, Inc.
SA1014GLEngine and powerplant
Installation of Pratt and Whitney Canada PT6A-45A, -65B, -65R, -65AG, or -65AR engine, Hartzell HC-B5MP-3C/M10876 propeller, and related changed.
FAA holder: Turbine Conversions Ltd
SA00917SEEngine and powerplant
Installation of a Continental O-470-11 engine and McCauley 1A200/FM-90-40 fixed pitch propeller in accordance with Wiley Seaplane Drawing WLY-CA6-010, Revision IR, dated March 1, 2000, or later FAA approved revision. This approval is limited to the modification of a CallAir Model A-6, Serial Number 262.
FAA holder: Wiley's Seaplanes
ST01428CHEngine and powerplant
Replacement of existing Teledyne Flight Data Acquisition Unit with a Honeywell (AlliedSignal) Flight Data Acquisition Management Unit and installing interface wiring to aircraft and engine sensors.
FAA holder: Northwest Airlines Inc
SA599WEEngine and powerplant
Installation of Franklin Engine 6A-335-B, McCauley propeller 2A31C21/84S-8 with Woodward governor 201453, and Firestone DFA-180 wheel assembly and CFA-252 brake assembly or equivalent.
FAA holder: Franklin Aircraft Engines Inc.
SH2907NMEngine and powerplant
Replacement of the existing combustion type cockpit heater with an engine bleed air type heater system on Erickson Model S-64E rotorcraft.
FAA holder: Erickson Air Crane Inc. dba Erickson Air-Crane
SH5166NMEngine and powerplant
Re-mounting of the turbine engines and reinforcement of the associated fuselage support structure with Erickson detuned engine mouting system (DEMS).
FAA holder: Erickson Air Crane Inc. dba Erickson Air-Crane
ST01287NYEngine and powerplant
Installation of a Safe FLight Ram Air Temperature indicator/engine pressure ratio computer.
FAA holder: Safe Flight Instrument Corp
SA5459NMEngine and powerplant
Installation of a solid plug in lieu of the type IV exit doors in all Convair Twin engine aircraft, 340/440 and turboprop conversions, which are configured as freighters (cargo).
FAA holder: Kelowna Flightcraft Ltd
SA09603SCEngine and powerplant
Installation of Teledyne Continental Motors fuel injected engine.
FAA holder: Hammock Aviation Services, Inc.
SA02133ATEngine and powerplant
Replacement of a Pratt & Whitney R-1340 engine with a Walter M601E-11 engine and Avia-Hamilton Standard VJ8.510 or VJ8.510AG propeller.
FAA holder: Turbine Design, Inc.
SA01925ATEngine and powerplant
Data pertaining to this modification is considered inadequate for duplication in other aircraft. Limited to installation made on model F260, serial number 105. Installation of Lycoming model IO-540-D4A5 engine with turbonormalization system installed with STC SE01949AT.
FAA holder: Mechanical Systems Inc
SA1914SWEngine and powerplant
Installation of cooling air inlet screen.
FAA holder: Mitsubishi Heavy Industries America Inc.
SA1964SWEngine and powerplant
Fabrication and installation of cooling air inlet modification.
FAA holder: Mitsubishi Heavy Industries America Inc.
SA2202SWEngine and powerplant
Installation of AiResearch TPE331-6-252M engine.
FAA holder: Mitsubishi Heavy Industries America Inc.
SA00130SOEngine and powerplant
Installation of Lycoming O-360-A1D engine and McCauley 1A200/FA8242 fixed pitch propeller. This ONE-ONLY STC is applicable to this particular aircraft ONLY.
FAA holder: Henderson Glenn and Bonnie
SP00177SEEngine and powerplant
Replacement of the engine oil actuated diaphragm and servo valve system for controlling propeller pitch, with one that incorporates a separate hydraulic system utilizing hydraulic pistons.
FAA holder: Fine Line Designs
SE00215DEEngine and powerplant
Modification to Teledyne Continental engine for the installation of a turbonormalizing system.
FAA holder: Engine Technologies Inc