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Other aircraft modifications

STC ST03994AT

FAA DRS lists ST03994AT as Current · Issued, held by Seal Dynamics, for Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJ (Legacy 600), Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJ (Legacy 650), and Embraer - Empresa Brasileira de Aeronautica SA EMB-135ER, and 10 more aircraft configurations. Recorded change: Installation of Bleed Air Coupling Sleeve Kit. Snapshot dated June 30, 2026.

FAA-listed holder
Seal Dynamics
Aircraft configurations
13
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Bleed Air Coupling Sleeve Kit.

ST03994AT 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 (Legacy 600), Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJ (Legacy 650), and Embraer - Empresa Brasileira de Aeronautica SA EMB-135ER, and 10 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJ (Legacy 600)T00011ATEmbraer - Empresa Brasileira de Aeronautica SA EMB-135BJ (Legacy 650)T00011ATEmbraer - 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 (Legacy 600) and Embraer - Empresa Brasileira de Aeronautica SA EMB-135BJ (Legacy 650), and 11 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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