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Aircraft STC directory

Piper Aircraft J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2)) STCs

The Jun 30, 2026 FAA DRS snapshot contains 29 selected supplemental type certificates with status Current whose public applicability data names the Piper Aircraft J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2)). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

29
listed Current at snapshot
14
holder directories
7
modification categories
Mar 5, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications9
Landing gear and brakes8
Aircraft structures4
Fuel systems3
Engine and powerplant2
Flight controls2
Avionics1

Recorded holders

F. Atlee Dodge Aircraft Services, LLC3Crown MN Aviation LLC2Airframes Alaska LLC1ABI, LLC1Baumann Floats LLC1Burl's Aircraft Rebuild LLC1Andrew D. Humphrey1Univair Aircraft Corporation1Cub Crafters Inc1Icarus Avionics, LLC1Aircraft Innovations, LLC1Micro AeroDynamics Inc1Dakota Cub Aircraft1Aviation Products Systems Inc.1

Recently revised J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2)) STCs

Showing the 29 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA3-111Aircraft structures

Removed 18 from the outboard end of each wing. Removed the first rib inboard of bow, and also the bow. Manufactured from .032 24ST al. Alloy sheet, a full size rib, installed on wing in place of the rib removed. Manufactured skin from .025 24ST and installed on wing, fastened to the first and second rib with #4 sheet metal screws. Three 4 lightning holes were cut in the new rib for inspection purposes and 8-32 nutplates were riveted to inside of rib for attaching of tip plate. The outboard ends of the ailerons were modified to conform to the chord length of the wing. The completed assembly is fabric covered upon covering of wing. The material for the Tip Plate is Prestwood T. and protrudes in a chordwise manner 1-3/4 .

FAA holder: Forrest Alan Frazier

View record