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Avionics

STC ST00273DE-D

FAA DRS lists ST00273DE-D as Current · Reissued, held by Learjet Inc., for Learjet Learjet 60. Recorded change: Upgrade of Universal Avionics Systems Corporation UNS-1B (FMS) software to version 601.X. Snapshot dated June 30, 2026.

FAA-listed holder
Learjet Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Upgrade of Universal Avionics Systems Corporation UNS-1B (FMS) software to version 601.X.

ST00273DE-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 60. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet Learjet 60A10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet Learjet 60 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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