Aircraft STC directory
Cessna Aircraft 337F STCs
The Jun 30, 2026 FAA DRS snapshot contains 25 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 337F. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recorded holders
Recently revised 337F STCs
Showing the 25 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of electrically driven freon air-conditioning system.
FAA holder: Air Comm Corporation
Installation of P2 Incorporated 6600 Audio Advisory system.
FAA holder: P2 Incorporated
Install SAF-T-STOP auxiliary seat stop device.
FAA holder: Glen A Florence, Aero Technologies, Inc.
Installation of a Time Trac Data Recorder.
FAA holder: P2 Incorporated
Installation of a Shadin Co. 910516 fuel flow indicating system.
FAA holder: Shadin Avionics
Installation of external landing gear position verification mirrors and aft engine cowl observation mirrors.
FAA holder: Wheeler Don E. dba Legal Mirrors
Installation of a Century Automatic Flight System Model AK1055 consisting of a Century 2110/2130/2131/2150/2151 Autopilot.
FAA holder: Century Flight Systems Inc
Installation of a NSA sunvisor system for the pilot and copilot.
FAA holder: Rosen Sunvisor Systems LLC
Installation of an external cargo Pod.
FAA holder: RT Aerospace Corp