# NTSB Accident LAX00FA169
> **Air Tractor 502A** · 2000-04-22 · QUEEN CREEK, AZ, USA · FATL
## Event
- **NTSB number:** LAX00FA169
- **Event ID:** 20001212X20838
- **Type:** Accident
- **Date:** 2000-04-22
- **Location:** QUEEN CREEK, AZ, USA
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Air Tractor
- **Model:** 502A
- **Registration:** N15466
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fatigue failure and in-flight separation of the left wing due to the manufacturer's underestimation during the aircraft design process of the time interval from fatigue crack initiation to failure, and, the manufacturer's subsequent specification of an inadequate inspection interval.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX00FA169) · AI Analytics · CC0 1.0*