STC SA4399SW
FAA DRS lists SA4399SW as Current · Reissued, held by Honeywell International Inc., for Boeing 727-200 Series and McDonnell Douglas DC-8-70 Series. Recorded change: Modification of air to air heat exchanger (P/N 184360-1 series 2). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4399SW 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 and McDonnell Douglas DC-8-70 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
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Related other aircraft modifications STCs
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