# N503D: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: November 14, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=503D
- Page: https://openairdocs.org/aircraft/N503D

## Aircraft that carried N503D

- [Cancelled 2017-11-14](https://openairdocs.org/deregistered/N503D-2017-11-14): ELY Dennis R HM-290, S/N 001. Second renewal notice. Owner: [Ely Dennis R](https://openairdocs.org/faa-owner/ELY%20DENNIS%20R), [Sanford, FL](https://openairdocs.org/faa-place/FL/Sanford)
- [Cancelled 2005-05-12](https://openairdocs.org/deregistered/N503D-2005-05-12): Air Tractor AT-503A, S/N 503A-0067, built 1991. Triennial form not returned. Owner: [Pontiac Flying Service Inc](https://openairdocs.org/faa-owner/PONTIAC%20FLYING%20SERVICE%20INC), [Pontiac, IL](https://openairdocs.org/faa-place/IL/Pontiac)

## NTSB investigations on N503D (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI03LA118](https://openairdocs.org/ntsb/CHI03LA118), May 5, 2003: Air Tractor AT-503A (N503D), Pontiac, IL, substantial damage, 2 fatal. Probable cause: The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall/spin. A factor associated with the accident was the low altitude maneuver.

## FAA accident and incident reports on N503D (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20030505008159A](https://openairdocs.org/incident/20030505008159A), May 5, 2003: Airtrc AT503A (N503D), Pontiac, IL, Destroyed, 2 fatal. (-23) On may 05, 2003, at approximately 1414 central daylight time, an air tractor AT-503A, N503D, collided with terrain following a loss of control while…

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