# NTSB Accident CHI89DEM08
> **MOONEY M20** · 1989-09-04 · WEST BRANCH, MI, USA · NONE
## Event
- **NTSB number:** CHI89DEM08
- **Event ID:** 20001213X29312
- **Type:** Accident
- **Date:** 1989-09-04
- **Location:** WEST BRANCH, MI, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MOONEY
- **Model:** M20
- **Registration:** N5292B
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S DECISION TO HAND PROP THE ENGINE WITH A NON-PILOT AT THE CONTROLS AND THE PASSENGER'S APPLICATION TO FULL THROTTLE. A FACTOR RELATED TO THE ACCIDENT WAS PANIC OF THE PASSENGER.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI89DEM08) · AI Analytics · CC0 1.0*