Replace the o-ring seals in the landing gear lower strut seal.
FAA holder: Metrea Special Aerospace ISR Inc.
Aircraft STC directory
Twin Commander Aircraft 560-F STCs
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.
24
listed Current at snapshot
20
holder directories
10
modification categories
Apr 29, 2025
latest recorded revision
Modification demand surface
Recorded holders
BF Goodrich Aerospace2ROCKY TOP LEASING INC.2Aircenter Inc2Metrea Special Aerospace ISR Inc.1Acron Aviation Inc.1FTG, Inc.1S-TEC Corporation1Seaton Engineering Corp.1Avidyne Corporation1Hartzell Engine Technologies, LLC1Aircraft Components Inc1Twin Commander Aircraft LLC1Brittain Industries, Inc1P2 Incorporated1RPM Commander LLC1Ontic Engineering and Manufacturing Inc.1Chelton Aviation Corporation1Quiet Flight LLC1Signature Flight Support Corporation1DeVore Aviation Corporation of America, a New Mexico Corporation1
Recently revised 560-F STCs
Showing the 24 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of L-3 Communications Avionics Systems.
FAA holder: Acron Aviation Inc.
Installation of an S-TEC 01326 Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Fabrication and installation of Landing Light Controller.
FAA holder: Seaton Engineering Corp.
Installation of a Voice Alert System.
FAA holder: Aircraft Components Inc
Installation of a Protective Device in the ground side of the Battery and External Power relays.
FAA holder: Twin Commander Aircraft LLC
Installation of Hoskins Supple- mental Model A or B high intensity wing tip lights.
FAA holder: BF Goodrich Aerospace
Installation of a Time Trac Data Recorder.
FAA holder: P2 Incorporated
Installation of Lycoming IO-720-B1B or B1BD turbocharged engine.
FAA holder: RPM Commander LLC
Twin engine synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
Installation of a Chelton Aviation Corp (CAC) AP-3C autopilot.
FAA holder: Chelton Aviation Corporation
Installation of an Aircraft Noise Control (ANC) System.
FAA holder: Quiet Flight LLC
Installation of windshield alcohol system.
FAA holder: Signature Flight Support Corporation
Installation of vertical tail floodlights.
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation