# NTSB Accident CHI91DER06
> **PIPER PA-36-285** · 1991-06-17 · FERGUS FALLS, MN, USA · NONE
## Event
- **NTSB number:** CHI91DER06
- **Event ID:** 20001212X17200
- **Type:** Accident
- **Date:** 1991-06-17
- **Location:** FERGUS FALLS, MN, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA-36-285
- **Registration:** N57824
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN ADEQUATE CLEARANCE FROM OBSTACLES DURING AERIAL APLLICATION OPERATIONS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91DER06) · AI Analytics · CC0 1.0*