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Aircraft STC directory

New Piper Aircraft PA-18-125 (Army L-21A) STCs

The Jun 30, 2026 FAA DRS snapshot contains 30 selected supplemental type certificates with status Current whose public applicability data names the New Piper Aircraft PA-18-125 (Army L-21A). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

30
listed Current at snapshot
19
holder directories
9
modification categories
Feb 9, 2023
latest recorded revision

Modification demand surface

Other aircraft modifications13Landing gear and brakes6Aircraft structures3Engine and powerplant2Fuel systems2Propellers1Cargo and special mission1Aircraft performance1Electrical systems1

Recorded holders

F.Atlee Dodge Aircraft Services2Garmin AT Inc.2Dakota Cub Aircraft, Inc.2Dakota Cub Aircraft2F Atlee Dodge Aircraft Service2Aero-Mach Wilco LLC1Baumann Floats LLC1Burl's Aircraft Rebuild LLC1Airframes Alaska LLC1DAC International Inc1Silveraire LLC1Northern Airframes LLC1Steve's Aircraft1Northern Piper Aviation Inc.1Bogert Aviation1JAARS Inc.1Experimental Aircraft Association Inc.1Skybound Manufacturing Inc.1Steve Pierce1

Recently revised PA-18-125 (Army L-21A) STCs

Showing the 30 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA02262AKOther aircraft modifications

Manufacture weld-on float fittings in accordance with Airframes, Inc., Master Drawing List AF591078, Revision A, dated November 24, 2005, or later FAA approved revision. Install in accordance with Installation Instructions II591078, Revision O, dated February 22, 2006, or later FAA approved revision. Maintain in accordance with Instructions for Continued Airworthiness ICA591078, Revision O, dated November 28, 2005, or later FAA accepted revision.

FAA holder: Northern Airframes LLC

View record