# NTSB Accident LAX91FA355
> **PIPER PA-23-250** · 1991-08-13 · HAWTHORNE, CA, USA · MINR
## Event
- **NTSB number:** LAX91FA355
- **Event ID:** 20001212X17881
- **Type:** Accident
- **Date:** 1991-08-13
- **Location:** HAWTHORNE, CA, USA
- **Coordinates:** 33.910423, -118.339538
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 3
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** PIPER
- **Model:** PA-23-250
- **Registration:** N4553P
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

OVERCONFIDENCE IN THE AIRPLANE'S ABILITY AND HIS PERSONAL ABILITY BY THE INSTRUCTOR PILOT (CFI), BY INTENTIONALLY SHUTTING OFF FUEL TO AN ENGINE DURING A CRITICAL PART OF FLIGHT. THE AIRCRAFT'S LACK OF SINGLE ENGINE PERFORMANCE WAS A RELATED FACTOR.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX91FA355) · AI Analytics · CC0 1.0*