STC ST01480NY-D
FAA DRS lists ST01480NY-D as Current · Reissued, held by Duncan Aviation Inc, for Learjet 55 and Learjet 55B. Recorded change: Installation of a Universal Avionics Terrain Awareness System (TWAS). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a Universal Avionics Terrain Awareness System (TWAS).
ST01480NY-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 55 and Learjet 55B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Learjet 55 and Learjet 55B 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 FreeFlight 2101 I/O Approach Plus GPS Navigation System.
FAA holder: IFL Group Inc.
Installation of the UL-800/801 UniLink Communications Management Units (CMU) operating Datalink Application Software SCN 30.X, and installation of a Collins VHF-400E communications radio.
FAA holder: Universal Avionics Systems Corp
Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System.
FAA holder: ADS-B Technologies, LLC
Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out transponder.
FAA holder: Elliott Aviation Technical Products Development, Inc.