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Safety and emergency equipment

STC ST00491SE

FAA DRS lists ST00491SE as Current · Reissued, held by Honeywell International Inc, for Boeing DC-9-82 (MD-82), Boeing DC-9-83 (MD-83), and Boeing DC-9-87 (MD-87), and 2 more aircraft configurations. Recorded change: Installation of the AlliedSignal Enhanced Ground Proximity Warning System. Snapshot dated June 30, 2026.

FAA-listed holder
Honeywell International Inc
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of the AlliedSignal Enhanced Ground Proximity Warning System.

ST00491SE 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-9-82 (MD-82), Boeing DC-9-83 (MD-83), and Boeing DC-9-87 (MD-87), and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC-9-82 (MD-82)A6WEBoeing DC-9-83 (MD-83)A6WEBoeing DC-9-87 (MD-87)A6WEBoeing MD-90-30A6WEBoeing DC-9-81 (MD-81)A6WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC-9-82 (MD-82) and Boeing DC-9-83 (MD-83), and 3 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?

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