Skip to content

Aircraft STC directory

Bell Helicopter Textron 47G-4 STCs

The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the Bell Helicopter Textron 47G-4. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

6
listed Current at snapshot
5
holder directories
3
modification categories
May 30, 2019
latest recorded revision

Modification demand surface

Engine and powerplant4
Other aircraft modifications1
Landing gear and brakes1

Recorded holders

Whelen Aerospace Technologies1Airwolf Filter Corporation1Siam Hiller Holdings Inc1M-20 Oil Separators LLC1Electronics International1

Recently revised 47G-4 STCs

Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.