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Avionics

STC ST576CH-D

FAA DRS lists ST576CH-D as Current · Amended, held by Garrett Aviation Services, for Learjet Learjet 31 and Learjet Learjet 31A. Recorded change: Installation of an AlliedSignal Avionics, Bendix/King CAS 67A TCAS II Traffic Collision Avoidance System. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of an AlliedSignal Avionics, Bendix/King CAS 67A TCAS II Traffic Collision Avoidance System.

ST576CH-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 31 and Learjet Learjet 31A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet Learjet 31 and Learjet 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?