# NTSB Accident MIA99LA257
> **Air Tractor AT-502B** · 1999-09-16 · ANGUILLA, MS, USA · SERS
## Event
- **NTSB number:** MIA99LA257
- **Event ID:** 20001212X19833
- **Type:** Accident
- **Date:** 1999-09-16
- **Location:** ANGUILLA, MS, USA
- **Coordinates:** 32.96994, -90.820877
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Air Tractor
- **Model:** AT-502B
- **Registration:** N5092G
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The P3 air line disconnected at the P3 air filter housing , and  a 'B' nut not being safetied by maintenance personnel, which resulted in a total loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA99LA257) · AI Analytics · CC0 1.0*