# NTSB Accident LAX91FA310
> **PIPER PA-23-250** · 1991-07-14 · HESPERIA, CA, USA · FATL
## Event
- **NTSB number:** LAX91FA310
- **Event ID:** 20001212X17573
- **Type:** Accident
- **Date:** 1991-07-14
- **Location:** HESPERIA, CA, USA
- **Coordinates:** 34.360919, -117.3208
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA-23-250
- **Registration:** N515TW
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S IMPROPER REFUELING AND INADEQUATE PREFLIGHT WHICH RESULTED IN FUEL CONTAMINATION AND THE INADVERTENT STALL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX91FA310) · AI Analytics · CC0 1.0*