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Aircraft connectivity

STC ST04138CH

FAA DRS lists ST04138CH as Current · Reissued, held by Nextant Aerospace, for Embraer SA EMB-135BJ (Legacy 600) and Embraer SA EMB-135BJ (Legacy 650). Recorded change: Installation of Datalink Communications System supporting Air Traffic Services (ATS) using Iridium Satcom, and upgrade to Honeywell MK-III Communications Management Unit (CMU) for CPDLC Capabilities and CVR 120A for data link recording. Snapshot dated June 30, 2026.

FAA-listed holder
Nextant Aerospace
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Datalink Communications System supporting Air Traffic Services (ATS) using Iridium Satcom, and upgrade to Honeywell MK-III Communications Management Unit (CMU) for CPDLC Capabilities and CVR 120A for data link recording.

ST04138CH 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 SA EMB-135BJ (Legacy 600) and Embraer SA EMB-135BJ (Legacy 650). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Embraer SA EMB-135BJ (Legacy 600)T00011ATEmbraer SA EMB-135BJ (Legacy 650)T00011AT

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Embraer SA EMB-135BJ (Legacy 600) and Embraer SA EMB-135BJ (Legacy 650) 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?

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