# NTSB Accident DEN05CA085
> **Robinson R22 Beta II** · 2005-06-07 · Wallsburg, UT, USA · NONE
## Event
- **NTSB number:** DEN05CA085
- **Event ID:** 20050707X00956
- **Type:** Accident
- **Date:** 2005-06-07
- **Location:** Wallsburg, UT, USA
- **Coordinates:** 40.235, -111.231109
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22 Beta II
- **Registration:** N993RW
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the flight instructor's inadequate in-flight planning and decision making and failure to maintain aircraft control. Contributing factor's include the flight instructor's inadequate supervision of the flight, the student pilot's failure to maintain rotor rpm, the high density altitude, and the muddy terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN05CA085) · AI Analytics · CC0 1.0*