STC SA3173SO
FAA DRS lists SA3173SO as Current · Reissued, held by Honeywell International Inc, for Boeing DC-9-31, Boeing DC-9-32, and Boeing DC-9-32F, and 4 more aircraft configurations. Recorded change: Installation of the Mark-VII ground proximity and windshear warning system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA3173SO 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 DC-9-31, Boeing DC-9-32, and Boeing DC-9-32F, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related safety and emergency equipment STCs
Installation of AlliedSignal Mark V Enhanced Ground Proximity Warning System (EGPWS).
FAA holder: Gulfstream Aerospace Corporation
Installation of an emergency lighting system.
FAA holder: Gulfstream Aerospace Corporation
FAA record reference
- STC number
- SA3173SO
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- June 21, 1989
- Revision date
- January 12, 2022
- CFR references
- Part 21