Installation of Isolair Innovator 11 Model 3900-280 Spray System.
FAA holder: Isolair Inc.
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 14 selected supplemental type certificates with status Current whose public applicability data names the Enstrom Helicopter 280FX. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 14 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Isolair Inc.
FAA holder: Dart Aerospace Company
FAA holder: Garmin International Inc.
FAA holder: The ENSTROM Helicopter Corporation
FAA holder: Airwolf Filter Corporation
FAA holder: Airwolf Filter Corporation
FAA holder: ADS-B Technologies, LLC
FAA holder: ADS-B Technologies, LLC
FAA holder: Airwolf Aerospace LLC
FAA holder: Spitfire Aerospace, LLC
FAA holder: Air Comm Corporation
FAA holder: AspenSTC Inc
FAA holder: Garmin AT Inc.
FAA holder: Papas Gary Los Angeles Laboratories Inc.