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Avionics

STC ST01587WI-D

FAA DRS lists ST01587WI-D as Current · Issued, held by Duncan Aviation Inc, for Learjet 31A. Recorded change: Upgrade of a single Universal Avionics Systems Corporation (UASC) UNS-1C Flight Management System (FMS) to UNS-1Ew FMS with Wide Area Augmentation system (WAAS) and Localizer Performance with Vertical guidance (LPV) Monitor. Snapshot dated June 30, 2026.

FAA-listed holder
Duncan Aviation Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Upgrade of a single Universal Avionics Systems Corporation (UASC) UNS-1C Flight Management System (FMS) to UNS-1Ew FMS with Wide Area Augmentation system (WAAS) and Localizer Performance with Vertical guidance (LPV) Monitor.

ST01587WI-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 31A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 31AA10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 31A model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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SR01648LAAvionics

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