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Aircraft connectivity

STC ST03999AT

FAA DRS lists ST03999AT as Current · Issued, held by Chippewa Aerospace Inc, 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 a Single Honeywell HF-1050 HF Communication System. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of a Single Honeywell HF-1050 HF Communication System.

ST03999AT 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.

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 antenna, radome, LRUs, and service assumptions are included?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?