# N4720U: 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: May 26, 1998
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4720U
- Page: https://openairdocs.org/aircraft/N4720U

## Aircraft that carried N4720U

- [Cancelled 1998-05-26](https://openairdocs.org/deregistered/N4720U-1998-05-26): Boeing 747-122, S/N 19881. Triennial form not returned. Owner: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- [Cancelled 1964-07-17](https://openairdocs.org/deregistered/N4720U-1964-07-17): Cessna 180G, S/N 18051420. Exported to Canada. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

## FAA accident and incident reports on N4720U (4)

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 19881221065739I](https://openairdocs.org/incident/19881221065739I), Dec 21, 1988: Boeing 747122 (N4720U), Narita, JA. B loop fire detection light came on. Discharged fire bottles. Engine shut down. Replaced both loop connectors.
- [Incident 19820201001999I](https://openairdocs.org/incident/19820201001999I), Feb 1, 1982: Boeing 747122 (N4720U), Chicago, IL. Engine shutdown when engine temperature pegged on the high side. Found bare wires on breather temperature indicator
- [Incident 19780701041909I](https://openairdocs.org/incident/19780701041909I), Jul 1, 1978: Boeing 747122 (N4720U), Chicago, IL. Tire blew on takeoff, flight continued to honolulu and landed without incident.
- [Incident 19780122004089I](https://openairdocs.org/incident/19780122004089I), Jan 22, 1978: Boeing 747/ (N4720U), Newark, NJ, Minor damage. Engine contacted snowbank and injested marker light.

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