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Other aircraft modifications

STC ST03185AT

FAA DRS lists ST03185AT as Current · Issued, held by Honeywell, for Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJ, Embraer - Empresa Brasileira de Aeronautica SA EMB-135ER, and Embraer - Empresa Brasileira de Aeronautica SA EMB-135KE, and 9 more aircraft configurations. Recorded change: Installation of Honeywell Air Foil Bearings in Hamilton Sundstrand s Air Cycle Machine. Snapshot dated June 30, 2026.

FAA-listed holder
Honeywell
Aircraft configurations
12
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Honeywell Air Foil Bearings in Hamilton Sundstrand s Air Cycle Machine.

ST03185AT 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-135BJ, Embraer - Empresa Brasileira de Aeronautica SA EMB-135ER, and Embraer - Empresa Brasileira de Aeronautica SA EMB-135KE, and 9 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-135ERT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-135KET00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-135KLT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-135LRT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-145T00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-145EPT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-145ERT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-145LRT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-145MPT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-145MRT00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-145XRT00011AT

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJ and Embraer - Empresa Brasileira de Aeronautica SA EMB-135ER, and 10 more aircraft configurations 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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