# NTSB Accident WPR11LA386
> **AIR TRACTOR INC AT-401** · 2011-08-16 · Hardin, MT, USA · NONE
## Event
- **NTSB number:** WPR11LA386
- **Event ID:** 20110816X45819
- **Type:** Accident
- **Date:** 2011-08-16
- **Location:** Hardin, MT, USA
- **Coordinates:** 45.733333, -107.616668
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** AIR TRACTOR INC
- **Model:** AT-401
- **Registration:** N1012T
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The loss of engine power during takeoff due to the fatigue failure of the turbine wheel blades, which resulted from inadequate maintenance and inspections.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11LA386) · AI Analytics · CC0 1.0*