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
Modification of air to air heat exchanger (P/N 184360-1 series 2).
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
Confirm before sourcing
- 01Does it cover the exact Boeing 727-200 Series and McDonnell Douglas DC-8-70 Series model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related other aircraft modifications STCs
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Installation of Teledyne Continental IO-520-D and either Hartzell PHC-C3YF-1RF/F8468A( )-6R, Hartzell PHC-C3YF-1RF/F7691( ), or McCauley D3A34C401/90DFA-10, 3 bladed propellers.
FAA holder: Air Plains Services Corporation
Installation of a Technisonic TDFM-9300 Multi-band FM Transceiver.
FAA holder: Airbus Helicopters Inc.
Activation of Smart Runway and Smart Landing (SRSL) Runway Awareness Advisory System (RAAS) Functions for Honeywell Mark V and Mark V-A Enhanced Ground Proximity Warning Systems (EGPWS).
FAA holder: Honeywell International Inc.