# NTSB Accident WPR20LA245
> **Cessna 337** · 2020-07-30 · Ennis, MT, USA · FATL
## Event
- **NTSB number:** WPR20LA245
- **Event ID:** 20200730X63728
- **Type:** Accident
- **Date:** 2020-07-30
- **Location:** Ennis, MT, USA
- **Coordinates:** 45.389999, -111.558052
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** Cessna
- **Model:** 337
- **Registration:** N337V
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot-in-command’s failure to maintain sufficient airspeed while attempting an evasive maneuver from a boxed canyon, which resulted in an aerodynamic stall/spin and impact with mountainous terrain. Contributing to the accident was the pilot-in-command’s failure to monitor the environment before flying into mountainous terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR20LA245) · AI Analytics · CC0 1.0*