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This aircraft's FAA registration was cancelled on Sep 1991 — it's no longer an active tail number. TailWiki keeps a record so its history isn't lost.

N503ADAir Tractor AT-503A · 1991

DeregisteredRestrictedP&W PT6A SERLubbock, TX

N503AD is a 1991 Air Tractor AT-503A. It is a fixed-wing single-engine aircraft with 2 seats, powered by a P&W PT6A SER rated at 750 horsepower. Its registration was cancelled in Sep 1991. Its restricted airworthiness certificate was issued in Sep 2013. This page also carries 1 NTSB event.

FAA recordRegistered in Lubbock, TX in 2008 · deregistered in 1991.

2013

FAA record · Sep 2013 · Airworthiness
Airworthiness certificate issued — Restricted
Manufacturer: Air Tractor. Model AT-503A. Serial 503A-0147.

2008

FAA record · Oct 2008 · Registration
Registered to last known owner
Registrant based in Lubbock, TX.

1991

FAA record · Sep 1991 · Deregistered
FAA registration cancelled
This N-number is no longer an active registration — it may have been scrapped, exported, or the number retired. The FAA can reissue cancelled N-numbers to a different aircraft entirely.