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Safety and emergency equipment

STC ST03275AT

FAA DRS lists ST03275AT as Current · Issued, held by Averitt Aviation Inc., for Learjet 31A. Recorded change: Installation of a Honeywell Mark VII Enhanced Ground Proximity Warning System (EGPWS). Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of a Honeywell Mark VII Enhanced Ground Proximity Warning System (EGPWS).

ST03275AT 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 equipment, inspection intervals, procedures, and limitations 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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