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Other aircraft modifications

STC ST01351LA

FAA DRS lists ST01351LA as Current · Issued, held by Aircraft Technical Development Inc, for Boeing 747-400 Series. Recorded change: Installation of Aerocon Engineering Company (AEC) Airstair. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft Technical Development Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Aerocon Engineering Company (AEC) Airstair.

ST01351LA 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 747-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-400 SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-400 Series 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?

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