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Other aircraft modifications

STC SA1937NW-D

FAA DRS lists SA1937NW-D as Current · Reissued, held by United Airlines Inc, for Boeing 737-100 Series. Recorded change: Air data system is revised by installation of a Digital Air Data Computer, Honeywell, P/N HG480B20, in the NO. 1 position. 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

Air data system is revised by installation of a Digital Air Data Computer, Honeywell, P/N HG480B20, in the NO. 1 position.

SA1937NW-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 737-100 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-100 SeriesA16WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-100 Series 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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