# NTSB Accident SEA91LA123
> **AERONCA 7BCM** · 1991-06-02 · ST. XAVIER, MT, USA · SERS
## Event
- **NTSB number:** SEA91LA123
- **Event ID:** 20001212X17379
- **Type:** Accident
- **Date:** 1991-06-02
- **Location:** ST. XAVIER, MT, USA
- **Coordinates:** 45.409973, -107.879386
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** AERONCA
- **Model:** 7BCM
- **Registration:** N10527
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S IMPROPER USE OF THE FUEL SYSTEM, AND THE OVERFILLING OF THE FUEL TANK.  CONTRIBUTING TO THE ACCIDENT WAS: AEROBATICS PERFORMED, THE PILOT'S INATTENTION AND THE DESIGN OF THE FUEL SYSTEM.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91LA123) · AI Analytics · CC0 1.0*