# N500ZZ: 1992 Fetters Dennis L MINI 500, registration cancelled 2013-09-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 20, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Fetters Dennis L MINI 500](https://openairdocs.org/model/fetters-dennis-l-mini-500) (registry code 13015HW)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 0000
- Year built: 1992
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built, market survey
- Airworthiness date: March 13, 1996
- Certificate issued: November 6, 1992
- Last registry action: May 2, 2001
- Mode S code: A63C47
- Owner when cancelled: [Revolution Helicopter Corp](https://openairdocs.org/faa-owner/REVOLUTION%20HELICOPTER%20CORP)
- Location: [Exclsor Sprgs, MO](https://openairdocs.org/faa-place/MO/Exclsor%20Sprgs)
- Owner type: Corporation
- Owner's area on the map: 39.3250° N, 94.2282° W: Placed by OpenAirDocs at the center of ZIP code 64024, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N500ZZ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=500ZZ
- Page: https://openairdocs.org/deregistered/N500ZZ-2013-09-20

From the FAA registry file of November 7, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Fetters Dennis L MINI 500: https://openairdocs.org/model/fetters-dennis-l-mini-500.md

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 96ZZZX4400](https://openairdocs.org/sdr/96ZZZX4400), Jun 27, 1996: PISTON. UNDERSIZE. THE ENGINE BACKFIRED AND MOMENTARILY HAD A LOSS OF POWER. THE PISTONS WERE FOUND UNDERSIZED AT THE SKIRT END. THIS COULD HAVE POSSIBLY BEEN CAUSED BY IMPROPER B

## NTSB investigations (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 (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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