Installation of Pratt & Whitney Engine Services, Inc. Digital Aircraft Data Acquisition System ADASd.
FAA holder: Pratt & Whitney Engine Services 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 961–1,080 of 1,512Page 9 of 13
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Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU).
FAA holder: Pratt & Whitney Engine Services Inc.
Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU).
FAA holder: Pratt & Whitney Engine Services Inc.
Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU).
FAA holder: Pratt & Whitney Engine Services Inc.
Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU).
FAA holder: Pratt & Whitney Engine Services Inc.
Installation of a muffler and exhaust heat exchanger.
FAA holder: Aero Fabricators Co
Fabrication of engine mount and fiberglass cowling.
FAA holder: Burl's Aircraft LLC
Installation of Leading Edge Exhaust System.
FAA holder: K. W. Aviation Inc.
Installation of a modified Textron Lycoming O-235 engine (modified for use of only ethanol for fuel).
FAA holder: Maximum Performance Inc.
Alteration of Lycoming O-235 engine to allow use of ethanol fuel.
FAA holder: Shauck Dr Maxwell E Jr
Installation of Benz P/N BAS-212/412-150G Engine Oil Pressure Transducer.
FAA holder: Benz Airborne Systems
Installation of AlliedSignal Aerospace N1 Digital Electronic Engine Control (DEEC).
FAA holder: Honeywell International Inc
Installation of Honeywell N1 digital electronic engine control (DEEC).
FAA holder: Honeywell International Inc
Manufacture of composite engine cowlings.
FAA holder: North Central Aircraft Products Inc.
Installation of a TFE731-4-1C, engine part number 3075900-1.
FAA holder: Premier Aircraft LLC
Twin-engine electronic synchronizer and unfeathering system.
FAA holder: Ontic Engineering and Manufacturing Inc.
Twin engine synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
Twin-engine electronic sychronizer for aircraft equipped with Hartzell propellers.
FAA holder: Ontic Engineering and Manufacturing Inc.
Twin-engine synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
Twin-engine electronic sychronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
Twin engine synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
Twin-engine electronic synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
Installation of electronic engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
Installation of Woodward Electronic Engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
Install Woodward electronic engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
Install Woodward engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
Installation of engine synchronizer kit P/N 213522.
FAA holder: Ontic Engineering and Manufacturing Inc.
Installation of an AlliedSignal Aerospace TFE731-3DR-1D Turbofan Engine.
FAA holder: Honeywell International Inc
Installation of an AlliedSignal Digital Electronic Engine Control (DEEC).
FAA holder: Honeywell International Inc
Installation of AlliedSignal TFE731-3D-1C Turbofan Engine(s).
FAA holder: Honeywell International Inc
Installation of an AlliedSignal Aeropsace TFE731-3D-1G Turbofan Engine(s).
FAA holder: Honeywell International Inc
Installation of an AllliedSignal Aerospace TFE731-3D-1(F,K) Turbofan Engine.
FAA holder: Honeywell International Inc
Installation of Gomolzig C172R-606550 engine exhaust system silencer.
FAA holder: Gomolzig Flugzeug-und Maschinenbau GmbH
Installation of Gomolzig C182R-606550 engine exhaust system silencer.
FAA holder: Gomolzig Flugzeug-und Maschinenbau GmbH
Installation of replacement firewall cover assembly.
FAA holder: Alpine Aerotech Ltd
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Installation of Diamond J Model 61000-012 turbine inlet temperature(T1T or T5) indicators.
FAA holder: Columbia Helicopters Inc
Installation of a remote spin-on oil filter adapter. (GC-1B w/Lycoming or Cont 360 engine installed).
FAA holder: Aviation Development Corporation
Manufacture of composite engine cowlings.
FAA holder: North Central Aircraft Products Inc.
Installation of Aero Crafters' exhaust heater system kit.
FAA holder: Aero Crafter Products Inc.
Installation of a Lycoming IO-540-T4B5 engine.
FAA holder: Aerodyme Corp
Installation of 160hp Lycoming O-320-D2A, -D2B, -D2C, -D3G, or-E3D (modified in accordance with STC SE8987SW) engine.
FAA holder: RAM Aircraft Limited Partnership
Installation of a 160 hp Textron Lycoming engine in the Piper Model PA-28-151.
FAA holder: RAM Aircraft Limited Partnership
Installation of Engine Air Induction Filters.
FAA holder: Heli-Support Inc.
Installation of Digital Diamond J, Inc. T4 exhaust temperature indicator.
FAA holder: Heli-Support Inc.
Pratt & Whitney R-985 engine installation with Simmonds Aero- cessories 580047 fuel injector.
FAA holder: Staggerwing Museum Foundation Inc.
Safety performance kit, increase gross weight to 9,000 lbs. takeoff and landing. Installation of P&W R-985-AN10, (Modified per P&W Special Instruction No. 15F-45 and eligible on C-45G, C45H, TC45G, & TC45H only), R-985-AN4 (modified per P&W Special Instruction No. 15F-45) or -AN14B Engine, associated powerplant installation changes, wheel well doors, and elevator hinge gap seals.
FAA holder: Staggerwing Museum Foundation Inc.
Pratt & Whitney R-985 engine and ATI fuel injection.
FAA holder: Staggerwing Museum Foundation Inc.
McCauley fixed pitch MET-L-PROP1A170/GM7448 with Lycoming O-290-D2 engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch MET-L-PROP1A170/GM7446 with Lycoming O-290-D engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch MET-L-PROP1A170/GM7450 with Lycoming O-290-D engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch propellers1A170/GM7459 and 1A170/GM7457 with Lycoming O-320 engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch propellers1A170/GM7455 and 1A170/GM7453 with Lycoming O-290-D2 engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch MET-L-PROP Models 1A170/GM7455 and 1A170/ GM7453 with Lycoming O-290-D2 engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch MET-L-PROP1A170/GM7450 and 1A170/GM7452 with Lycoming O-290-D2 engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch MET-L-PROP1A170/GM7450 and 1A170/GM7452 with Lycoming O-290-D2 engine.
FAA holder: McCauley Propeller Systems
McCauley fixed pitch MET-L-PROP1A170/GM7448 and 1A170/GM7450 with Lycoming O-290-D engine.
FAA holder: McCauley Propeller Systems
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Conversion of a Pratt & Whitney Canada PT6A-27 or PT6A-28 engine to operate as a PT6A-34 engine.
FAA holder: Atlantic Turbines International Inc.
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Modify engine IAW RAM Aircraft Corp Drawing No. 1724. Minimum fuel grade is 100/100LL.
FAA holder: RAM Aircraft Limited Partnership
Installation of a Shadin Company Engine Trend Monitor System.
FAA holder: Shadin Avionics
Installation of a Shadin engine performance recorder system.
FAA holder: Shadin Avionics
Installation of a Shadin engine trend monitoring system.
FAA holder: Shadin Avionics
Installation of a Shadin engine trend monitor system.
FAA holder: Shadin Avionics
Installation of an engine trend monitor system.
FAA holder: Shadin Avionics
Installation of a Shadin Company Engine Trend Monitoring System.
FAA holder: Shadin Avionics
Installation of a Shadin Co. engine trend monitoring system.
FAA holder: Shadin Avionics
Installation of a Shadin engine trend monitoring system.
FAA holder: Shadin Avionics
ONE-ONLY: Installation of a Shadin Engine Trend Monitor System.
FAA holder: Shadin Avionics
Install a Power Flow Systems, Incl, tuned exhaust system.
FAA holder: Power Flow Systems Inc
Installation of SMR Technologies engine inlet anti-icer models.
FAA holder: SMR Technologies Inc
Installation of Graphic Engine Monitors (GEM) Models GEM-610 and GEMINI 1200.
FAA holder: Insight Instrument Corporation
Installation of Graphic Engine Monitors (GEM) Models GEM-610 and GEMINI 1200.
FAA holder: Insight Instrument Corporation
Installation of Graphic Engine Monitors (GEM) Models GEM-610 and GEMINI 1200.
FAA holder: Insight Instrument Corporation
Installation of engine electronic digital tachometer.
FAA holder: Horizon Instruments Inc
Installation of Bizjet International Inlet Anti-ice Heat Blanket.
FAA holder: Bizjet International Sales & Support Inc
Installation of an AlliedSignal Engines TFE731-2C Turbofan Engine.
FAA holder: Landmark Aviation
Installation of an AlliedSignal Inc TFE731-3C/3CR Turbofan engine(s).
FAA holder: Landmark Aviation
Installation of Honeywell N1 Digital Electronic Engine Control (DEEC).
FAA holder: Landmark Aviation
Installation of Honeywell N1 Digital Electronic Engine Control (DEEC).
FAA holder: Landmark Aviation