# N704SN: 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 29, 1991
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=704SN
- Page: https://openairdocs.org/aircraft/N704SN

## Aircraft that carried N704SN

- [Cancelled 1991-06-29](https://openairdocs.org/deregistered/N704SN-1991-06-29): Cessna 150M, S/N 15078839. Owner: [Crystal Aero Group Inc](https://openairdocs.org/faa-owner/CRYSTAL%20AERO%20GROUP%20INC), [Crystal River, FL](https://openairdocs.org/faa-place/FL/Crystal%20River)

## NTSB investigations on N704SN (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 MIA91LA109](https://openairdocs.org/ntsb/MIA91LA109), Mar 25, 1991: Cessna 150M (N704SN), Crystal River, FL, substantial damage. Probable cause: THE LOSS OF POWER BECAUSE OF OIL PUMP FAILURE DUE TO CONTAMINATION. UNKNOWN MAINTENANCE PERSONNEL PERFORMED A COMPONENT CHANGE WITHOUT USING APPROPRIATE PUBLICATIONS AND PROCEDURES AND FAILED TO…

## FAA accident and incident reports on N704SN (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 19910325007529A](https://openairdocs.org/incident/19910325007529A), Mar 25, 1991: Cessna 150M (N704SN), Crystal River, FL, Substantial damage. Lost oil pressure. Engine quit. Landed in trees. Starter clutch needle bearings failed oil pump. Source unknown.

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