# NTSB Accident WPR10CA437
> **HOLT HERBERT L LONG EZ** · 2010-08-29 · Afton, WY, USA · NONE
## Event
- **NTSB number:** WPR10CA437
- **Event ID:** 20100830X12502
- **Type:** Accident
- **Date:** 2010-08-29
- **Location:** Afton, WY, USA
- **Coordinates:** 43.708889, -110.942222
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** HOLT HERBERT L
- **Model:** LONG EZ
- **Registration:** N31939
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to securely lock the canopy prior to takeoff, which allowed the contents of the cabin to exit the airplane and damage the propeller. Contributing to the severity of the damage was the subsequent fire that ensued.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR10CA437) · AI Analytics · CC0 1.0*