Replace the o-ring seals in the landing gear lower strut seal.
FAA holder: Metrea Special Aerospace ISR Inc.
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 24 selected supplemental type certificates with status Current whose public applicability data names the Twin Commander Aircraft 560-F. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 24 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: Acron Aviation Inc.
FAA holder: FTG, Inc.
FAA holder: S-TEC Corporation
FAA holder: Seaton Engineering Corp.
FAA holder: Avidyne Corporation
FAA holder: Hartzell Engine Technologies, LLC
FAA holder: Aircraft Components Inc
FAA holder: Twin Commander Aircraft LLC
FAA holder: Brittain Industries, Inc
FAA holder: BF Goodrich Aerospace
FAA holder: BF Goodrich Aerospace
FAA holder: P2 Incorporated
FAA holder: Commander Aero Inc
FAA holder: ROCKY TOP LEASING INC.
FAA holder: ROCKY TOP LEASING INC.
FAA holder: RPM Commander LLC
FAA holder: Ontic Engineering and Manufacturing Inc.
FAA holder: Chelton Aviation Corporation
FAA holder: Aircenter Inc
FAA holder: Quiet Flight LLC
FAA holder: Signature Flight Support Corporation
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation