STC ST00204DE-D
FAA DRS lists ST00204DE-D as Current · Reissued, held by Learjet Inc., for Learjet Learjet 55C, Learjet Learjet 55, and Learjet Learjet 55B, and 1 more aircraft configuration. Recorded change: Installation of a Universal Avionics Systems Corporation UNS-1M Navigation Management System (NMS). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST00204DE-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: Learjet Learjet 55C, Learjet Learjet 55, and Learjet Learjet 55B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related avionics STCs
Installation of a Dual Universal Avionics Systems Corporations UNS-1Lw Flight Management System with LPV Approaches.
FAA holder: Sikorsky Aircraft Corporation
Installation of an Avionics Switching Unit.
FAA holder: Sikorsky Aircraft Corporation
Installation of Honeywell OB3000-001 Sentinel Multifunction DIsplay.
FAA holder: Sikorsky Aircraft Corporation