# NTSB Accident SEA01LA139
> **Pilatus PC-6/B2-H4** · 2001-07-21 · Great Falls, MT, USA · NONE
## Event
- **NTSB number:** SEA01LA139
- **Event ID:** 20010724X01499
- **Type:** Accident
- **Date:** 2001-07-21
- **Location:** Great Falls, MT, USA
- **Coordinates:** 47.510032, -111.269905
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** Pilatus
- **Model:** PC-6/B2-H4
- **Registration:** N2TS
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Pilot's failure to maintain directional control of the aircraft while landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA01LA139) · AI Analytics · CC0 1.0*