# N71817: 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 14, 1997
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=71817
- Page: https://openairdocs.org/aircraft/N71817

## Aircraft that carried N71817

- [Cancelled 1997-03-14](https://openairdocs.org/deregistered/N71817-1997-03-14): Hayes Clifford G KOLB TWINSTAR, S/N TS281. Triennial form not returned. Owner: [Hayes Clifford G](https://openairdocs.org/faa-owner/HAYES%20CLIFFORD%20G), [Ballston Spa, NY](https://openairdocs.org/faa-place/NY/Ballston%20Spa)

## NTSB investigations on N71817 (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 NYC91DFA02](https://openairdocs.org/ntsb/NYC91DFA02), Jan 27, 1991: Hayes Kolb/Twinstar (N71817), Round Lake, NY, substantial damage, 1 fatal. Probable cause: IN-FLIGHT STRUCTURAL FAILURE OF THE OUTBOARD WING ATTACHMENT FITTINGS ON BOTH WINGS DUE TO AN UNDETERMINED REASON.

## FAA accident and incident reports on N71817 (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 19910127000999A](https://openairdocs.org/incident/19910127000999A), Jan 27, 1991: Amtrkb TWINSTAR (N71817), Round Lake, NY, Substantial damage, 1 fatal. Wings folded on landing approach home built on first test flight fell to ground. Strut attach bolts were missing.

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