# N4728U: 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: April 14, 1999
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4728U
- Page: https://openairdocs.org/aircraft/N4728U

## Aircraft that carried N4728U

- [Cancelled 1999-04-14](https://openairdocs.org/deregistered/N4728U-1999-04-14): Boeing 747-122, S/N 19925. 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 1964-08-24](https://openairdocs.org/deregistered/N4728U-1964-08-24): Cessna 180G, S/N 18051428. 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 N4728U (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.

- [Incident 19890112015789I](https://openairdocs.org/incident/19890112015789I), Jan 12, 1989: Boeing 747122 (N4728U), Honolulu, HI. Aborted 2 takeoffs due to asymetrical power. Took off and landed. 8 tires went flat due to overheat while taxiing.
- [Incident 19810817060409I](https://openairdocs.org/incident/19810817060409I), Aug 17, 1981: Boeing 747* (N4728U), Honolulu, HI. Zr inflight fire in lavatory trash bin extinguished by cabin crew. No damage.

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