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Avionics

STC ST03423CH

FAA DRS lists ST03423CH as Current · Amended, held by Clay Lacy Aviation, for Gulfstream Aerospace G-IV and Gulfstream Aerospace GV. Recorded change: Installation of a Universal Avionics UNS-1Espw flight management system with UniLink UL-801datalink system and CVR-120A cockpit voice recorder to meet airworthiness requirements for FANS 1/A+. Snapshot dated June 30, 2026.

FAA-listed holder
Clay Lacy Aviation
Aircraft configurations
2
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

ST03423CH 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 G-IV and Gulfstream Aerospace GV. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream Aerospace G-IVA12EAGulfstream Aerospace GVA12EA

Buyer checks

Confirm before sourcing

Related avionics STCs

ST01280WI-DAvionics

Modification of a Collins GNLS-910 GPS Flight Management System Installation with BVR Aero Precision Data Concentrator Unit(s), BVR type/part number 280650 (Collins, 270-2578-060) to a Collins GNLS-910 GPS Flight Management System Installation with Collins DCU-2000 Data Concentrator Unit(s), Collins part number 822-1517-003 (BVR type/part number 280650) in accordance with Collins Drawing Index RCA-0082-001, Revision -, dated October 26, 2004, or later FAA approved revision.

FAA holder: Rockwell Collins Inc

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