STC ST00127AT
FAA DRS lists ST00127AT as Current · Reissued, held by Jefferson Waterman International, for McDonnell Douglas DC-9-83 (MD-83). Recorded change: Installation of a Sundstrand Data Control Mark VII ground proximity warning system (GPWS). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a Sundstrand Data Control Mark VII ground proximity warning system (GPWS).
ST00127AT 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-9-83 (MD-83). Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact McDonnell Douglas DC-9-83 (MD-83) model, serial range, and configuration?
- 02Which equipment, inspection intervals, procedures, and limitations apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related safety and emergency equipment STCs
Installation of a Honeywell Mark VII Enhanced Ground Proximity Warning System (EGPWS).
FAA holder: Midcoast Aviation Inc
Installation of the Honeywell MK-VIII Enhanced Ground Proximity Warning System (EGPWS). Data required: (1) Midcoast Certification Drawing List No. 23-327G001 Revision E, dated February 27, 2002; (2) FAA Approved Midcoast Airplane Flight Manual Supplement, Document No. 23-327M002, Revision A, dated February 27, 2002; or later FAA Approved Revisions to (1) or (2).
FAA holder: Midcoast Aviation Inc
Installation of a Universal Dual Terrain Awareness Warning System. Limited to installation on serial number 1060 ONLY.
FAA holder: Learjet Inc.
Installation of a Honeywell Model MK VIII Enhanced Ground Proximity Warning System (EGPWS).
FAA holder: Jet Aviation Associates Ltd