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Other aircraft modifications

STC SA4398SW

FAA DRS lists SA4398SW as Current · Reissued, held by Honeywell International Inc., for McDonnell Douglas DC-9 Series and McDonnell Douglas MD-88. Recorded change: Modification of air to air heat exchanger (P/N 179450-2-2 or194110-1). Snapshot dated June 30, 2026.

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FAA-listed holder
Honeywell International Inc.
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA4398SW 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: McDonnell Douglas DC-9 Series and McDonnell Douglas MD-88. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

McDonnell Douglas DC-9 SeriesA6WEMcDonnell Douglas MD-88A6WE

Related other aircraft modifications STCs

FAA record reference

STC number
SA4398SW
Product
Aircraft · Large Airplane
Country
United States
Application date
January 15, 1981
Revision date
September 10, 2021
CFR references
Part 1, Part 21