# N500ZZ: 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, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=500ZZ
- Page: https://openairdocs.org/aircraft/N500ZZ

## Aircraft that carried N500ZZ

- [Cancelled 2013-09-20](https://openairdocs.org/deregistered/N500ZZ-2013-09-20): Fetters Dennis L MINI 500, S/N 0000, built 1992. Registration expired, pending cancellation. Owner: [Revolution Helicopter Corp](https://openairdocs.org/faa-owner/REVOLUTION%20HELICOPTER%20CORP), [Exclsor Sprgs, MO](https://openairdocs.org/faa-place/MO/Exclsor%20Sprgs)

## NTSB investigations on N500ZZ (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 CHI95FA242](https://openairdocs.org/ntsb/CHI95FA242), Jul 27, 1995: Revolution Helicopter MINI-500 (N500ZZ), Oshkosh, WI, substantial damage. Probable cause: the inadequate design of the helicopter skid shoes. Factors related to the accident were: false indications of rotor rpm and EGT which led to seizure of the piston.
- [NTSB CHI92DCG04](https://openairdocs.org/ntsb/CHI92DCG04), Jun 25, 1992: Dennis L. Fetters Mini 500 (N500ZZ), Missouri City, MO, substantial damage. Probable cause: AN IMPROPER CONNECTING ROD ASSEMBLY RESULTING IN MECHANICAL BINDING BETWEEN THE ROD AND THE ENGINE CRANKSHAFT.

## FAA accident and incident reports on N500ZZ (3)

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 19960627021729I](https://openairdocs.org/incident/19960627021729I), Jun 27, 1996: Amtr MINI500 (N500ZZ), Excelsior Sprin, MO, Minor damage. 1. On 06/27/96 at 1430Z time, a vibration spectrum analysis was being conducted on an experimental mini-500 helicopter aircraft (N500ZZ) located in a vacant…
- [Accident 19950727036199A](https://openairdocs.org/incident/19950727036199A), Jul 27, 1995: Amtr MINI500 (N500ZZ), Oshkosh, WI, Substantial damage. Homebuilt helicopter. Lost power on demo flight. Autorotated. Skid caught crop folded skids. Carb too lean. Seized. (-23) on July 27, 1995, approximately 0930,…
- [Accident 19920625024549A](https://openairdocs.org/incident/19920625024549A), Jun 25, 1992: Amtr MINI500 (N500ZZ), Missouri City, MO, Substantial damage. Engine over heated due improper crankshaft connecting rod bearing bore. Engine returned to builder. Research test.

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