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Other aircraft modifications

STC ST09330SC

FAA DRS lists ST09330SC as Current · Amended, held by Avionics Engineering Services, for Boeing 727-100 Series. Recorded change: Installation of AlliedSignal/Bendix CAS 81 TCAS II system with dual AlliedSignal/Bendix TRA-67 Mode-S transponders. Snapshot dated June 30, 2026.

FAA-listed holder
Avionics Engineering Services
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of AlliedSignal/Bendix CAS 81 TCAS II system with dual AlliedSignal/Bendix TRA-67 Mode-S transponders.

ST09330SC 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 727-100 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 727-100 SeriesA3WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 727-100 Series model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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