# NTSB Accident GAA15CA251
> **AIR TRACTOR INC AT 402A** · 2015-09-04 · Fort Pierre, SD, USA · MINR
## Event
- **NTSB number:** GAA15CA251
- **Event ID:** 20150908X00229
- **Type:** Accident
- **Date:** 2015-09-04
- **Location:** Fort Pierre, SD, USA
- **Coordinates:** 44.376667, -100.631385
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** AIR TRACTOR INC
- **Model:** AT 402A
- **Registration:** N321DA
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain obstacle clearance, which resulted in the airplane striking guy-wires during aerial application operations.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA15CA251) · AI Analytics · CC0 1.0*