# NTSB Accident CHI05CA267
> **West Revolution Mini 500** · 2005-09-03 · Ida, MI, USA · NONE
## Event
- **NTSB number:** CHI05CA267
- **Event ID:** 20051013X01635
- **Type:** Accident
- **Date:** 2005-09-03
- **Location:** Ida, MI, USA
- **Coordinates:** 41.854999, -83.591392
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** West
- **Model:** Revolution Mini 500
- **Registration:** N20925
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## 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 decision to immediately initiate an autorotation instead of performing a precautionary landing, and the corn field encountered during landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI05CA267) · AI Analytics · CC0 1.0*