# NTSB Accident DEN00LA109
> **Beech A23-24** · 1999-08-04 · WHEATLAND, WY, USA · NONE
## Event
- **NTSB number:** DEN00LA109
- **Event ID:** 20001212X19476
- **Type:** Accident
- **Date:** 1999-08-04
- **Location:** WHEATLAND, WY, USA
- **Coordinates:** 42.049877, -104.949272
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Beech
- **Model:** A23-24
- **Registration:** N4789J
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NBRT
- **Weather:** VMC
## Probable cause

The flight instructor's failure to maintain control of the aircraft.  Factors were inadequate supervision of the student by the flight instructor and inaccurate judgment by the flight instructor in not having the aircraft examined following the event.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN00LA109) · AI Analytics · CC0 1.0*