# NTSB Accident WPR11FA390
> **PIPER PA-18-150** · 2011-08-18 · Forsyth, MT, USA · FATL
## Event
- **NTSB number:** WPR11FA390
- **Event ID:** 20110818X51603
- **Type:** Accident
- **Date:** 2011-08-18
- **Location:** Forsyth, MT, USA
- **Coordinates:** 46.578334, -106.9225
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-18-150
- **Registration:** N7666D
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to maintain adequate airspeed while maneuvering, which resulted in a stall/mush, loss of control, and impact with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11FA390) · AI Analytics · CC0 1.0*