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
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
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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.