# Accident 19920625024549A: Amtr MINI500, Missouri City, MO, June 25, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 25, 1992, 07:00 local time
- Place: Missouri City, MO
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 39.2404° N, 94.4103° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.2404&lon=-94.4103&mi=10
- Aircraft: N500ZZ, a cancelled registration (https://openairdocs.org/deregistered/N500ZZ-2013-09-20) (OpenAirDocs)
- Registry model: Fetters Dennis L MINI 500 (registry code 13015HW, https://openairdocs.org/model/fetters-dennis-l-mini-500) (OpenAirDocs)
- Registry engine: Bombardier ROTAX (ALL) (registry code 09050, https://openairdocs.org/engine/bombardier-rotax-all) (OpenAirDocs)
- Reported make and model: AMTR MINI500
- Reported engine: ROTAX ROTAX582
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,520 total, 4 in this make and model
- NTSB investigation: [NTSB CHI92DCG04](https://openairdocs.org/ntsb/CHI92DCG04) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920625024549A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENGINE OVER HEATED DUE IMPROPER CRANKSHAFT CONNECTING ROD BEARING BORE. ENGINE RETURNED TO BUILDER. RESEARCH TEST.

## The NTSB's investigation of this event (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 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.

## Other reports on N500ZZ (2)

Matched to the same aircraft by N-number and date.

- [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,…

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. For accidents, the NTSB's own investigation is the fuller record.

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