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Avionics

STC ST09475SC

FAA DRS lists ST09475SC as Current · Reissued, held by Aircraft Modification and Engineering Services, In, for Embraer - Empresa Brasileira de Aeronautica SA EMB-120, Embraer - Empresa Brasileira de Aeronautica SA EMB-120ER, and Embraer - Empresa Brasileira de Aeronautica SA EMB-120RT. Recorded change: Installation of a Universal Avionics UNS-1K FMS with Internal TSO-129A GPS Sensor. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft Modification and Engineering Services, In
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Universal Avionics UNS-1K FMS with Internal TSO-129A GPS Sensor.

ST09475SC 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: Embraer - Empresa Brasileira de Aeronautica SA EMB-120, Embraer - Empresa Brasileira de Aeronautica SA EMB-120ER, and Embraer - Empresa Brasileira de Aeronautica SA EMB-120RT. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Embraer - Empresa Brasileira de Aeronautica SA EMB-120A31SOEmbraer - Empresa Brasileira de Aeronautica SA EMB-120ERA31SOEmbraer - Empresa Brasileira de Aeronautica SA EMB-120RTA31SO

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Embraer - Empresa Brasileira de Aeronautica SA EMB-120 and Embraer - Empresa Brasileira de Aeronautica SA EMB-120ER, and 1 more aircraft configuration 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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