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Other aircraft modifications

STC SR01547SE

FAA DRS lists SR01547SE as Current · Reissued, held by Horizon Helicopters Inc., for Timber Choppers HH-43B/F and Timber Choppers HH-43F. Recorded change: Fabrication of Part Number PH774664-113 "Transmission Input shaft Spacer" and PH774682-11 "Flange coupling Transmission Adapter"; Installation of the KAflex Driveshaft System. Snapshot dated June 30, 2026.

FAA-listed holder
Horizon Helicopters Inc.
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Fabrication of Part Number PH774664-113 "Transmission Input shaft Spacer" and PH774682-11 "Flange coupling Transmission Adapter"; Installation of the KAflex Driveshaft System.

SR01547SE 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: Timber Choppers HH-43B/F and Timber Choppers HH-43F. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Timber Choppers HH-43B/FH1NW
Timber Choppers HH-43FH1NW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Timber Choppers HH-43B/F and Timber Choppers HH-43F 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?