SE01651WIEngine and powerplant
Conversion of engine from carburetion to fuel injection.
FAA holder: A & L Aircraft Parts Inc
Aircraft STC directory
Pratt & Whitney Division Military R-985 Series STCs
The Jun 30, 2026 FAA DRS snapshot contains 5 selected supplemental type certificates with status Current whose public applicability data names the Pratt & Whitney Division Military R-985 Series. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
5
listed Current at snapshot
5
holder directories
3
modification categories
Sep 25, 2019
latest recorded revision
Modification demand surface
Engine and powerplant2
Fuel systems2
Other aircraft modifications1
Recently revised Military R-985 Series STCs
Showing the 5 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE02505SEOther aircraft modifications
Installation of a Kenmore flyweight screw.
FAA holder: Kenmore Air Harbor LLC
SE3-612Fuel systems
Installation of Bendix Model RS-10DD-1 single point fuel injection system to replace the Bendix-Stromberg NAR-9B carburetor.
FAA holder: Textron Aviation Inc
SE31WEEngine and powerplant
Installation of Electro-Coatings, Inc. piston rings P/N 251822, 251824, and 251825 on Pratt and Whitney R-985 piston P/N 27056 for use with Channelcromium plated R-985 engine cylinders.
FAA holder: Continental Motors, Inc.