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Safety and emergency equipment

STC ST09554SC

FAA DRS lists ST09554SC as Current · Reissued, held by Associated Air Center, Inc. - c/o CT Corporation System, for Boeing 737-400 Series. Recorded change: Installation of an AlliedSignal Enhanced Ground Proximity Warning System (EGPWS). Snapshot dated June 30, 2026.

Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of an AlliedSignal Enhanced Ground Proximity Warning System (EGPWS).

ST09554SC 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: Boeing 737-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-400 Series 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?