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Aircraft connectivity

STC SA8021NM

FAA DRS lists SA8021NM as Current · Reissued, held by United Airlines Inc, for Boeing 747-400 Series. Recorded change: Installation of ACARS Management Unit, Collins Model Number DLM-706B, P/N 622-8910-110, with ATC data link capability in accordance with FAA approved United Air Lines COA 8-4039 ER 1, Rev B, dated June 25, 1994, or later FAA approved revisions. FAA Approved United Air Lines SATCOM/ACARS Airplane Flight Manual Supplement to Boeing Airplane Flight Manual Document No. D6U10001, FAA Approved August 1, 1994, or later FAA approved revisions, is required as part of this modification. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of ACARS Management Unit, Collins Model Number DLM-706B, P/N 622-8910-110, with ATC data link capability in accordance with FAA approved United Air Lines COA 8-4039 ER 1, Rev B, dated June 25, 1994, or later FAA approved revisions. FAA Approved United Air Lines SATCOM/ACARS Airplane Flight Manual Supplement to Boeing Airplane Flight Manual Document No. D6U10001, FAA Approved August 1, 1994, or later FAA approved revisions, is required as part of this modification.

SA8021NM 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: Boeing 747-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-400 Series 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?