Replacement of original O rings and backup rings from landing gear lower bearing and floating piston with Green Tweed, Inc. AGT seals.
FAA holder: Metrea Special Aerospace ISR Inc.
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 15 selected supplemental type certificates with status Current whose public applicability data names the Israel Aircraft Industries 1121A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 15 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Metrea Special Aerospace ISR Inc.
FAA holder: Peregrine
FAA holder: The NORDAM Group LLC
FAA holder: Purolator Facet, Inc
FAA holder: Paul/ Lanna Egan LLC
FAA holder: Knots 2U Ltd.
FAA holder: BF Goodrich Aerospace
FAA holder: Aerosonic Corporation
FAA holder: Honeywell International Inc.
FAA holder: Ontic Engineering and Manufacturing Inc.
FAA holder: Aviall Services, Inc.
FAA holder: AAR Airframe and Accessories Group
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation