# N744AT: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: February 12, 2020
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=744AT
- Page: https://openairdocs.org/aircraft/N744AT

## Aircraft that carried N744AT

- [Cancelled 2020-02-12](https://openairdocs.org/deregistered/N744AT-2020-02-12): Cessna 550, S/N 550-0017, built 1983. Owner: [Air Ambulance By Air Trek Inc](https://openairdocs.org/faa-owner/AIR%20AMBULANCE%20BY%20AIR%20TREK%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

## NTSB investigations on N744AT (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 ERA19IA178](https://openairdocs.org/ntsb/ERA19IA178), May 9, 2019: Cessna 550 (N744AT), Savannah, GA, incident, no damage. Probable cause: The lineman's inadvertent introduction of diesel exhaust fluid (DEF) to the fuel truck fuel system icing inhibitor reservoir, which resulted in fuel contamination and a total loss of engine power.…

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