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Aircraft STC directory

Mooney Aircraft M20L STCs

The Jun 30, 2026 FAA DRS snapshot contains 24 selected supplemental type certificates with status Current whose public applicability data names the Mooney Aircraft M20L. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

24
listed Current at snapshot
12
holder directories
9
modification categories
Oct 8, 2024
latest recorded revision

Modification demand surface

Other aircraft modifications9
Avionics4
Landing gear and brakes3
Fuel systems2
Engine and powerplant2
Flight controls1
Cabin and interiors1
Aircraft connectivity1
Electrical systems1

Recorded holders

Honeywell International Inc6Aircraft Components Inc2Mod Works Inc2LASAR Inc.1Seaton Engineering Corp.1Micro AeroDynamics Inc1F. Atlee Dodge Aircraft Services, LLC1Chelton Aviation Corporation1Garmin AT Inc.1Flight Life, Inc.1Basic Aircraft Products Inc1Avidyne Corporation1

Recently revised M20L STCs

Showing the 24 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA02624ATEngine and powerplant

This STC converts the Mooney M20L to essentially an M20R. The STC requires minor changes to the aircraft structure and includes installation of a Continental IO-550-N16B engine (The engine is operated at the performance limits of 280 hp at 2500 rpm just like the Continental IO-550-G used on the Mooney M20R.) The STC is to be accomplished in accordance with Mod Works Master Document List, MW8800-000, Revision "B", dated April 30, 2003, or later FAA approved revision.

FAA holder: Mod Works Inc

View record