# N7644U: 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: June 15, 2017
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7644U
- Page: https://openairdocs.org/aircraft/N7644U

## Aircraft that carried N7644U

- [Cancelled 2017-06-15](https://openairdocs.org/deregistered/N7644U-2017-06-15): Boeing 727-222, S/N 20038, built 1969. Registration expired, pending cancellation. Owner: [U Boats Parts Inc](https://openairdocs.org/faa-owner/U%20BOATS%20PARTS%20INC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)

## NTSB investigations on N7644U (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 IAD71II039](https://openairdocs.org/ntsb/IAD71II039), Feb 15, 1971: Boeing 727 (N7644U), Dulles Int Apt, DC, incident, no damage

## FAA accident and incident reports on N7644U (5)

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.

- [Incident 20050502006569I](https://openairdocs.org/incident/20050502006569I), May 2, 2005: Boeing 727222 (N7644U), Lincoln, NE. (-23) Ctt flight 109 enroute from den to mke experienced a smoke detector light illuminate during flight. Reset system, light re-illuminated. Cat's (central…
- [Incident 20031105028309I](https://openairdocs.org/incident/20031105028309I), Nov 5, 2003: Boeing 727222 (N7644U), St Louis, MO. (-23) Ryan flight 128 declared emergency due to loss of oil pressure on #3 engine. Aircraft diverted to stl and landed without incident. Maintenance found oil…
- [Incident 19880926063659I](https://openairdocs.org/incident/19880926063659I), Sep 26, 1988: Boeing 727222 (N7644U), Chicago, IL. Unable to retract right gear. Returned. Found APU transfer beam left in place after maintenance.
- [Incident 19850208009229I](https://openairdocs.org/incident/19850208009229I), Feb 8, 1985: Boeing 727222 (N7644U), Kansas City, MO. Missed high speed turnoff on rollout. During turn to double back left main went off taxiway into mud.
- [Incident 19780918019759I](https://openairdocs.org/incident/19780918019759I), Sep 18, 1978: Boeing 727222 (N7644U), San Francisco, CA, Minor damage. Crew reported loud noise and yaw as wing flaps were extended for landing. Partial loss of inboard flap in flght.

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