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Other aircraft modifications

STC ST00473LA

FAA DRS lists ST00473LA as Current · Amended, held by Aircraft Technical Development Inc, for Boeing 757-200 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 · Amended

Recorded modification

What the FAA record covers

Installation of Aerocon Engineering Company (AEC) Airstair.

ST00473LA 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 757-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 757-200 SeriesA2NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 757-200 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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