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Other aircraft modifications

STC ST03554CH

FAA DRS lists ST03554CH as Current · Issued, held by Turbine Conversions Ltd, for Air Tractor AT-250, Air Tractor AT-300, and Air Tractor AT-301, and 37 more aircraft configurations. Recorded change: Installation of Rotary Gatekeeper and provisions equipment. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
40
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Rotary Gatekeeper and provisions equipment.

ST03554CH 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: Air Tractor AT-250, Air Tractor AT-300, and Air Tractor AT-301, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Air Tractor AT-250 and Air Tractor AT-300, and 38 more aircraft configurations 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?