# NTSB Accident WPR18LA197
> **Beech 90** · 2018-07-12 · Tolani Lake, AZ, USA · NONE
## Event
- **NTSB number:** WPR18LA197
- **Event ID:** 20180712X02446
- **Type:** Accident
- **Date:** 2018-07-12
- **Location:** Tolani Lake, AZ, USA
- **Coordinates:** 35.318054, -110.660003
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** Beech
- **Model:** 90
- **Registration:** N617MM
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NITE
- **Weather:** IMC
## Probable cause

An autopilot deviation during climb for undetermined reasons, which resulted in an in-flight upset and loss of airplane control. Contributing to the accident was the pilot’s failure to adequately monitor flight systems due to a distraction.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR18LA197) · AI Analytics · CC0 1.0*