STC SA5638NM-D
FAA DRS lists SA5638NM-D as Current · Reissued, held by United Airlines Inc, for Boeing 747-100 Series. Recorded change: Installation and activation of a Collins Radio TCAS II system, dual Smith Industries TCAS Type Vertical Speed Indicators, dual Mode S Transponder System, and a dual Collins Radio WXR 700C Weather Radar System. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA5638NM-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 747-100 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related avionics STCs
Installation of a SkyTrac ISAT Airborne Position/Data Communicator Upgrade in accordance with Avionics Design Services Ltd. Master Drawing List MDL10033, Revision C, dated February 02, 2011, Transport Canada approved February 02, 2011, or later Transport Canada approved revision.
FAA holder: SkyTrac Systems Ltd.