STC ST74CH
FAA DRS lists ST74CH as Current · Reissued, held by U.S. Technical Consultants Inc., for Boeing 747-100 Series. Recorded change: Installation of a ground public telephone communication system(Seatfone) or Genstar System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a ground public telephone communication system(Seatfone) or Genstar System.
ST74CH 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: Boeing 747-100 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 747-100 Series model, serial range, and configuration?
- 02Which antenna, radome, LRUs, and service assumptions are included?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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