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Aircraft STC directory

Learjet Learjet 25B STCs

The Jun 30, 2026 FAA DRS snapshot contains 18 selected supplemental type certificates with status Current whose public applicability data names the Learjet Learjet 25B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

18
listed Current at snapshot
12
holder directories
10
modification categories
Sep 17, 2022
latest recorded revision

Modification demand surface

Other aircraft modifications4Cargo and special mission3Cabin and interiors2Engine and powerplant2Safety and emergency equipment2Landing gear and brakes1Electrical systems1Aircraft structures1Flight controls1Aircraft connectivity1

Recorded holders

Avcon Industries Inc4LifePort LLC3Learjet Inc.2Kaman Corporation Aircraft Wheel and Brake LLC1Spectrum Aeromed LLC dba Spectrum Aeromed1Paul/ Lanna Egan LLC1Bizjet International Sales & Support Inc1Aviation Fabricators Inc1Millennium Avionics LLC1Fargo Jet Center1Addison Express LLC1Steinbach & Associates, Inc.1

Recently revised Learjet 25B STCs

Showing the 18 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.