# NTSB Accident DEN90LA131
> **PIPER PA-25-235** · 1990-06-09 · ANDOVER, SD, USA · MINR
## Event
- **NTSB number:** DEN90LA131
- **Event ID:** 20001212X23388
- **Type:** Accident
- **Date:** 1990-06-09
- **Location:** ANDOVER, SD, USA
- **Coordinates:** 45.41061, -97.900764
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA-25-235
- **Registration:** N7136Z
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN PROPER CLEARANCE DURING THE SWATH RUN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90LA131) · AI Analytics · CC0 1.0*