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Other aircraft modifications

STC SA3350WE-D

FAA DRS lists SA3350WE-D as Current · Reissued, held by United Airlines Inc, for Boeing 727-200 Series, Boeing 727 Series, and Boeing 727C Series. Recorded change: The air data system is revised in accordance with United Air Lines,\nDAS-1-WE Approved Drawing List No. 3350 dated July 20, 1979, or later FAA approved revisions to the following configuration:\n1.\tThe Captain's and First Officer's altimeters are Harowe P/N 2050 Series electric indicators.\n2.\tThe No. 1 air data computer is a Honeywell P/N HG180U-742 (727-222 only) or a United Air Lines P/N 9F-9058-505 (727-22, -22C only).\n3.\tThe No. 2 air data computer is a Harowe P/N 4019-1, -2, or -5. On the 727-222 only, a Honeywell\n HG180OU-742, HG180V2-9F9058-506, HG180V1-9F9057-504. Snapshot dated June 30, 2026.

FAA-listed holder
United Airlines Inc
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA3350WE-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 727-200 Series, Boeing 727 Series, and Boeing 727C Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 727-200 SeriesA3WEBoeing 727 SeriesA3WEBoeing 727C SeriesA3WE

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