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Other aircraft modifications

STC SH1170SW

FAA DRS lists SH1170SW as Current · Reissued, held by Texas Helicopter Co. Inc, for Scotts-Bell 47 47G. Recorded change: Installation of tail rotor gear box no. 47-640-065-31 and tail rotor hub and blade assembly no. 47-640-071-3. Eligible on Bell model 47G with Franklin 6V4200-C32, 6V335-A, or 6V350-A engines installed. STC SH479SW required. Snapshot dated June 30, 2026.

FAA-listed holder
Texas Helicopter Co. Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of tail rotor gear box no. 47-640-065-31 and tail rotor hub and blade assembly no. 47-640-071-3. Eligible on Bell model 47G with Franklin 6V4200-C32, 6V335-A, or 6V350-A engines installed. STC SH479SW required.

SH1170SW identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Scotts-Bell 47 47G. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Scotts-Bell 47 47GH-1

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Scotts-Bell 47 47G model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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