# Accident 20050903027209A: Amtr MINI500, Ida Township, MI, September 3, 2005

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 3, 2005, 13:06 local time
- Place: Ida Township, MI
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: General operating rules (Part 91)
- Location: 41.8550° N, 83.5914° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.8550&lon=-83.5914&mi=10
- Aircraft: N20925, a cancelled registration (https://openairdocs.org/deregistered/N20925-2011-06-22) (OpenAirDocs)
- Registry model: West Kenneth Gary MINI 500 (registry code 05615XE, https://openairdocs.org/model/west-kenneth-gary-mini-500) (OpenAirDocs)
- Reported make and model: AMTR MINI500
- Reported engine: ROTAX ROTAX582
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 175 total, 55 in this make and model, 6 in the last 90 days
- NTSB investigation: [NTSB CHI05CA267](https://openairdocs.org/ntsb/CHI05CA267) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20050903027209A

## Narrative

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

(-23) PILOT WAS IN CRUISE FLIGHT AT ABOUT 1750 FT WHEN HE EXPERIENCED A LOSS OF ROTOR SPEED AND INCREASED ENGINE RPM. HE AUTO ROTATED THE AIRCRAFT AND HAD A HARD LANDING IN A CORNFIELD. THERE IS A HOLE IN THE BOOM, THE RIGHTT STRUT IS BENT, THE LEFT STRUT IS SLIGHTLY CURVED, AND THE ROTOR BLADE TIPS ARE DAMAGED. INVESTIGATION REVEALED THAT THE ENGINE TACHOMETER IS INDICATING HIGHER THAN THE ENGINE ROTATING. DUE TO THIS FAULTY INDICATION THE PILOT MADE A FORCED LANDING.

## 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 CHI05CA267](https://openairdocs.org/ntsb/CHI05CA267), Sep 3, 2005: West Revolution Mini 500 (N20925), Ida, MI, substantial damage. Probable cause: The pilot's abrupt (improper) control action which resulted in the main rotor contacting the tail boom. Contributing factors were the false indication provided by the engine tachometer, the pilot's…

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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