SH1152NWOther aircraft modifications
Installation of the Automatic Flagman Model 135 Control Stick Grip.
FAA holder: Air Products & Parts LLC
Aircraft STC directory
Scotts-Bell 47 47G-4A STCs
The Jun 30, 2026 FAA DRS snapshot contains 14 selected supplemental type certificates with status Current whose public applicability data names the Scotts-Bell 47 47G-4A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
14
listed Current at snapshot
3
holder directories
5
modification categories
Jul 30, 2021
latest recorded revision
Modification demand surface
Other aircraft modifications7
Propellers2
Engine and powerplant2
Flight controls2
Fuel systems1
Recorded holders
Recently revised 47G-4A STCs
Showing the 14 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SH2772SWOther aircraft modifications
Revise mast controls and remove stabilizer bar and install control system.
FAA holder: Scott's-Bell 47 Inc
SR01845SEOther aircraft modifications
Installation of a barrier air filtration system.
FAA holder: Cascade Flying Service LLC
SH2348SWOther aircraft modifications
Installation of Sprag System Kit P/N 74-612-153-1M Revision D, dated 9/17/14.
FAA holder: Scott's Bell 47 Inc
SH162WEEngine and powerplant
Installation of exhaust muffler assembly.
FAA holder: Scott's Bell 47 Inc
SH1710GLFlight controls
Install fixed elevator in lieu of synchronized elevator.
FAA holder: Scott's Bell 47 Inc
SH2397SWEngine and powerplant
Installation of Ag-King 500B Spray System with 2 tanks (800 pounds total allowable), 32 foot boom on end of skid tubes and engine driven pump.
FAA holder: Scott's Bell 47 Inc
SH382SWOther aircraft modifications
Eligible only on Bell 47 series with open tail booms. Installation of sign per Kitz Kopter's Drawing KK-101 dated 10/14/64.
FAA holder: Scott's Bell 47 Inc
SR09321RCOther aircraft modifications
Installation of Improved Main Rotor Grips and Matching Adapter Nut.
FAA holder: Scott's Bell 47 Inc
SR09346RCPropellers
Installation of main rotor blade grip with modified root radius and matching adapter in accordance with Helicopter Tech, Inc., Drawing List R47-120-252-1000, Revision IR, dated May 15, 2002, or later Federal Aviation Administration (FAA) approved revision.
FAA holder: Helicopter Tech Inc.
SH102WEOther aircraft modifications
Installation of automatic flagman model 5.
FAA holder: R-S Sales Inc.