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Other aircraft modifications

STC ST01445WI-D

FAA DRS lists ST01445WI-D as Current · Issued, held by Duncan Aviation Inc, for Gulfstream Aerospace LP 1125 Westwind Astra. Recorded change: Installation of dual Collins AHS-1000S Attitude Heading System in the Gulfstream Aerospace LP, 1125 Westwind Astra Airplanes. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of dual Collins AHS-1000S Attitude Heading System in the Gulfstream Aerospace LP, 1125 Westwind Astra Airplanes.

ST01445WI-D 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: Gulfstream Aerospace LP 1125 Westwind Astra. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream Aerospace LP 1125 Westwind Astra 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?