STC ST00056CH-D
FAA DRS lists ST00056CH-D as Current · Amended, held by Garrett Aviation Services, for Gulfstream Aerospace LP 1125 Westwind Astra. Recorded change: Installation of Universal Avionics Flight Management Systems for Primary Means in Oceanic and Remote Airspace. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Universal Avionics Flight Management Systems for Primary Means in Oceanic and Remote Airspace.
ST00056CH-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
- 01Does it cover the exact Gulfstream Aerospace LP 1125 Westwind Astra model, serial range, and configuration?
- 02Which part numbers, software versions, interfaces, and manual changes apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related avionics STCs
Installation of a Universal Avionics (TAWS) Terrain Awareness and Avoidance System.
FAA holder: Blackhawk Aerospace Technologies Inc.
Installation of Honeywell MK-VIII Enhanced Ground Proximity Warning System (with or without optional EFIS-85B/14 display).
FAA holder: Blackhawk Aerospace Technologies Inc.
Installation of Universal Avionics EFI-550 2-Display EFIS System. Data required: (1) Columbia Avionics, Inc. Master Document List No. 30141165, Revision 3, dated September 24, 2003; and (2) FAA Approved Flight Manual Supplement 30141180, dated September 30, 2003, or later FAA Approved Revisions to (1) or (2).
FAA holder: Blackhawk Aerospace Technologies Inc.
Installation of IS&S Air Data System. Data required: (1) Columbia Avionics, Inc. Master Document List No. 30141324, Revision 3, dated January 21, 2004; and (2) FAA Approved Flight Manual Supplement 30141339, dated January 28, 2004, or later FAA Approved Revisions to (1) or (2).
FAA holder: Blackhawk Aerospace Technologies Inc.