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Electrical systems

STC SA2786NM-D

FAA DRS lists SA2786NM-D as Current · Reissued, held by United Airlines Inc, for Boeing 737-300 Series. Recorded change: Activation of Boeing installed ADF-1 system provisions, installation of a SELCAL system, an HF communications system and wiring provisions for a second HF communications system in accordance with United Air Lines, DAS-1-WE Approved Drawing List No. 2786 dated February 13, 1991, or later FAA approved revisions. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Activation of Boeing installed ADF-1 system provisions, installation of a SELCAL system, an HF communications system and wiring provisions for a second HF communications system in accordance with United Air Lines, DAS-1-WE Approved Drawing List No. 2786 dated February 13, 1991, or later FAA approved revisions.

SA2786NM-D 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 737-300 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-300 SeriesA16WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-300 Series model, serial range, and configuration?
  2. 02Which load analysis, wiring changes, protection, and limitations 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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