# NTSB Accident LAX93LA263
> **SILL/THOMAS LONG EZ** · 1993-06-20 · LONE PINE, CA, USA · MINR
## Event
- **NTSB number:** LAX93LA263
- **Event ID:** 20001211X12659
- **Type:** Accident
- **Date:** 1993-06-20
- **Location:** LONE PINE, CA, USA
- **Coordinates:** 36.829181, -118.240867
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** SILL/THOMAS
- **Model:** LONG EZ
- **Registration:** N977ST
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the failure of the number four cylinder exhaust valve due to excessive heat exposure and lack of maintenance.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX93LA263) · AI Analytics · CC0 1.0*