SA615EA (PAGE 1)Other aircraft modifications
Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights.
FAA holder: Whelen Aerospace Technologies
Aircraft STC directory
Bell Helicopter Textron 47G-3B STCs
The Jun 30, 2026 FAA DRS snapshot contains 7 selected supplemental type certificates with status Current whose public applicability data names the Bell Helicopter Textron 47G-3B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
7
listed Current at snapshot
6
holder directories
3
modification categories
May 30, 2019
latest recorded revision
Modification demand surface
Engine and powerplant5
Other aircraft modifications1
Landing gear and brakes1
Recently revised 47G-3B STCs
Showing the 7 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SR00408NYEngine and powerplant
Installation of Airwolf remote mounted engine oil filter model AFC-600.
FAA holder: Airwolf Filter Corporation
SH657NWEngine and powerplant
Installation of Allison 250-C18A, -C18C, -C20, -C20B engine and related changes.
FAA holder: Siam Hiller Holdings Inc
SA02033AT (PAGE 5)Engine and powerplant
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW).
FAA holder: M-20 Oil Separators LLC
SA00680SE (2 OF 6Engine and powerplant
Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.
FAA holder: Electronics International
SR01430LALanding gear and brakes
Installation of Stainless Steel Skid shoes.
FAA holder: Papas Gary Los Angeles Laboratories Inc.
SH12CEEngine and powerplant
Replace existing engine induction air filter with AC Spark Plug Filter.
FAA holder: Brackett Aero Filters Inc.