# NTSB Accident LAX91DUJ03
> **Air Tractor AT-302** · 1990-11-16 · SOMERTON, AZ, USA · NONE
## Event
- **NTSB number:** LAX91DUJ03
- **Event ID:** 20001212X24620
- **Type:** Accident
- **Date:** 1990-11-16
- **Location:** SOMERTON, AZ, USA
- **Coordinates:** 32.530483, -114.710784
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Air Tractor
- **Model:** AT-302
- **Registration:** N4441S
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

THE FAILURE OF THE NUMBER 3 EXHAUST VALVE WHICH LED TO AN ENGINE FAILURE AND SUBSEQUENT CRASH LANDING.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX91DUJ03) · AI Analytics · CC0 1.0*