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Aircraft STC directory

Piper Aircraft J3L-65 (Army L-4C) STCs

The Jun 30, 2026 FAA DRS snapshot contains 12 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft J3L-65 (Army L-4C). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

12
listed Current at snapshot
5
holder directories
5
modification categories
Mar 5, 2026
latest recorded revision

Modification demand surface

Landing gear and brakes5
Other aircraft modifications3
Fuel systems2
Flight controls1
Engine and powerplant1

Recorded holders

Recently revised J3L-65 (Army L-4C) STCs

Showing the 12 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.