FAA-listed STC holder

Fifty-Ten-Yankee LLC STCs

The Jun 30, 2026 FAA DRS snapshot lists 7 selected supplemental type certificates with status Current under Fifty-Ten-Yankee LLC. The records span 11 public aircraft directories and 4 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Jun 25, 2020

latest recorded revision

Modification mix

Engine and powerplant4 Cabin and interiors1 Other aircraft modifications1 Fuel systems1

Aircraft represented

MD Helicopter 369D136 STCs MD Helicopter 369E129 STCs MD Helicopter 500N96 STCs Textron Aviation A3638 STCs Textron Aviation A36TC26 STCs Textron Aviation 20717 STCs Textron Aviation T207A14 STCs Textron Aviation 207A13 STCs Textron Aviation T20711 STCs Pratt & Whitney Canada PT6A-114A4 STCs Rolls-Royce 250-C20S3 STCs

Recently revised records

Showing the 7 most recently revised records. Category directories provide the complete paginated discovery path.

7 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Fifty-Ten-Yankee LLC supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA3523NM Installation of an Allison turbine engine and related changes. Engine and powerplant View record	Textron Aviation A36TC 3A15 Textron Aviation A36TCTC 3A15	Current at cited snapshot Revised Jun 25, 2020 Application: Dec 14, 1984	FAA holder: Fifty-Ten-Yankee LLC FAA authority record
SA4133NM Installation of an eighth seat. Cabin and interiors View record	Textron Aviation 207TC A16CE Textron Aviation 207ATC A16CE Textron Aviation T207TC A16CE Textron Aviation T207ATC A16CE	Current at cited snapshot Revised Jun 25, 2020 Application: Sep 4, 1987	FAA holder: Fifty-Ten-Yankee LLC FAA authority record
SA4142NM Installation of an exhaust heated engine inlet. Engine and powerplant View record	Textron Aviation A36TC 3A15 Textron Aviation A36TCTC 3A15	Current at cited snapshot Revised Jun 25, 2020 Application: Sep 15, 1986	FAA holder: Fifty-Ten-Yankee LLC FAA authority record
SA4715NM Installation of the Soloy bleed air heater and related changes. Other aircraft modifications View record	Textron Aviation 207TC A16CE Textron Aviation 207ATC A16CE Textron Aviation T207TC A16CE Textron Aviation T207ATC A16CE	Current at cited snapshot Revised Jun 25, 2020 Application: Apr 1, 1989	FAA holder: Fifty-Ten-Yankee LLC FAA authority record
SE00482SE Incorporation of turbine engine into a twin power section turboprop assembly. Engine and powerplant View record	Pratt & Whitney Canada PT6A-114ATC E4EA	Current at cited snapshot Revised Jun 25, 2020 Application: Nov 9, 1990	FAA holder: Fifty-Ten-Yankee LLC FAA authority record
SE2352NM Modification of turbine engine. Engine and powerplant View record	Rolls-Royce 250-C20STC E4CE	Current at cited snapshot Revised Jun 25, 2020 Application: Apr 29, 1981	FAA holder: Fifty-Ten-Yankee LLC FAA authority record
SH4655NM Installation of Soloy 375-1000 series auxiliary fuel system. Fuel systems View record	MD Helicopter 369DTC H3WE MD Helicopter 369ETC H3WE MD Helicopter 500NTC H3WE	Current at cited snapshot Revised Jun 25, 2020 Application: Jul 11, 1990	FAA holder: Fifty-Ten-Yankee LLC FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of an Allison turbine engine and related changes.

Installation of an eighth seat.

Installation of an exhaust heated engine inlet.

Installation of the Soloy bleed air heater and related changes.

Incorporation of turbine engine into a twin power section turboprop assembly.

Modification of turbine engine.

Installation of Soloy 375-1000 series auxiliary fuel system.