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Fuel systems

STC SA1944NW-D

FAA DRS lists SA1944NW-D as Current · Reissued, held by United Airlines Inc, for Boeing 737-100 Series. Recorded change: Retrofit of Smiths Industries Type 2123 fuel quantity indicators with Type 4211 capacitance trim units and a Type 4270 VTO relay module in the fuel quantity system in accordance with United Air Lines, DAS-1-WE, Approved Drawing List 1944 dated September 28, 1984, 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

SA1944NW-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

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