# N506WW: 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: March 25, 1992
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=506WW
- Page: https://openairdocs.org/aircraft/N506WW

## Aircraft that carried N506WW

- [Cancelled 1992-03-25](https://openairdocs.org/deregistered/N506WW-1992-03-25): Hughes 369HS, S/N 150699S. Triennial form not returned. Owner: [Steffen Tim DBA](https://openairdocs.org/faa-owner/STEFFEN%20TIM%20DBA), [Branson, MO](https://openairdocs.org/faa-place/MO/Branson)

## NTSB investigations on N506WW (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 MKC89FA004](https://openairdocs.org/ntsb/MKC89FA004), Oct 8, 1988: Hughes 500C (N506WW), Branson, MO, substantial damage

## FAA accident and incident reports on N506WW (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 19881008047559A](https://openairdocs.org/incident/19881008047559A), Oct 8, 1988: Hughes 369HS (N506WW), Branson, MO, Substantial damage. Reported rotor decay caused hard landing and rollover. No oil in drive clutch but clutch was working on impact.

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