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Other aircraft modifications

STC SR04590CH

FAA DRS lists SR04590CH as Current · Reissued, held by U.S. TECHNICAL CONSULTANTS INC, for Columbia Helicopters CH-47D. Recorded change: Installation of a Helitak FT11K Liquid Dispensing System. Snapshot dated June 30, 2026.

Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Helitak FT11K Liquid Dispensing System.

SR04590CH 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: Columbia Helicopters CH-47D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Columbia Helicopters CH-47D 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?