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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.

7
listed Current at snapshot
11
aircraft directories
4
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 STCsMD Helicopter 369E129 STCsMD Helicopter 500N96 STCsTextron Aviation A3638 STCsTextron Aviation A36TC25 STCsTextron Aviation 20717 STCsTextron Aviation T207A14 STCsTextron Aviation 207A13 STCsTextron Aviation T20711 STCsPratt & Whitney Canada PT6A-114A4 STCsRolls-Royce 250-C20S3 STCs

Recently revised records

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