# NTSB Accident LAX99LA287
> **Mooney M20J** · 1999-08-28 · EMIGRANT GAP, CA, USA · MINR
## Event
- **NTSB number:** LAX99LA287
- **Event ID:** 20001212X19570
- **Type:** Accident
- **Date:** 1999-08-28
- **Location:** EMIGRANT GAP, CA, USA
- **Coordinates:** 39.249881, -120.689033
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Mooney
- **Model:** M20J
- **Registration:** N4201S
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fatigue failure and separation of the number three cylinder due to the cylinder overhaul facility's improper inspection and quality control processes.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA287) · AI Analytics · CC0 1.0*