Skip to content
Safety and emergency equipment

STC ST01059WI-D

FAA DRS lists ST01059WI-D as Current · Reissued, held by Duncan Aviation Inc, for Lockheed Martin 1329-23A, Lockheed Martin 1329-23D, and Lockheed Martin 1329-23E, and 1 more aircraft configuration. Recorded change: Installation of Honeywell MK VII Enhanced Ground Proximity Warning System (EGPWS). Snapshot dated June 30, 2026.

FAA-listed holder
Duncan Aviation Inc
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Honeywell MK VII Enhanced Ground Proximity Warning System (EGPWS).

ST01059WI-D 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: Lockheed Martin 1329-23A, Lockheed Martin 1329-23D, and Lockheed Martin 1329-23E, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Lockheed Martin 1329-23A2A15Lockheed Martin 1329-23D2A15Lockheed Martin 1329-23E2A15Lockheed Martin 1329-252A15

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Lockheed Martin 1329-23A and Lockheed Martin 1329-23D, and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which equipment, inspection intervals, procedures, and limitations apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

Related safety and emergency equipment STCs