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Other aircraft modifications

STC ST01777CH

FAA DRS lists ST01777CH as Current · Amended, held by Airborne Maintenance & Engineering Services (AMES), for McDonnell Douglas DC-9-11, McDonnell Douglas DC-9-12, and McDonnell Douglas DC-9-13, and 15 more aircraft configurations. Recorded change: Installation of an Innovative Solutions & Support Duplex Altimetry System. Snapshot dated June 30, 2026.

Aircraft configurations
18
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of an Innovative Solutions & Support Duplex Altimetry System.

ST01777CH 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-9-11, McDonnell Douglas DC-9-12, and McDonnell Douglas DC-9-13, and 15 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact McDonnell Douglas DC-9-11 and McDonnell Douglas DC-9-12, and 16 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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?