# N4700U: 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: September 20, 1991
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4700U
- Page: https://openairdocs.org/aircraft/N4700U

## Aircraft that carried N4700U

- [Cancelled 1991-09-20](https://openairdocs.org/deregistered/N4700U-1991-09-20): Cessna 180G, S/N 18051400. Owner: [Backus G Lynn](https://openairdocs.org/faa-owner/BACKUS%20G%20LYNN), [Winnemucca, NV](https://openairdocs.org/faa-place/NV/Winnemucca)

## NTSB investigations on N4700U (2)

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 SEA91LA139](https://openairdocs.org/ntsb/SEA91LA139), Jun 22, 1991: Cessna 180G (N4700U), Challis, ID, substantial damage. Probable cause: THAT THE PILOT ENCOUNTERED UNSUITABLE TERRAIN DURING A FORCED LANDING AFTER A POWER LOSS DUE TO A FRACTURED CYLINDER BOSS AND A BENT ENGINE PUSHROD.
- [NTSB SEA73DYA33](https://openairdocs.org/ntsb/SEA73DYA33), Jun 22, 1973: Cessna 180 (N4700U), Boise, ID, substantial damage

## FAA accident and incident reports on N4700U (2)

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 19910622023369A](https://openairdocs.org/incident/19910622023369A), Jun 22, 1991: Cessna 180G (N4700U), Challis, ID, Substantial damage. Engine roughened and popped on leveling off. Turned back but crash landed. Cylinder rocker arm boss failed.
- [Accident 19730622016079A](https://openairdocs.org/incident/19730622016079A), Jun 22, 1973: Cessna 180G (N4700U), Boise, ID, Substantial damage

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