# NTSB Accident WPR24LA130
> **JAMES E DAVIDSON JR RANS S-7S COURIER** · 2024-04-22 · Benson, AZ, USA · NONE
## Event
- **NTSB number:** WPR24LA130
- **Event ID:** 20240423194136
- **Type:** Accident
- **Date:** 2024-04-22
- **Location:** Benson, AZ, USA
- **Coordinates:** 32.0078, -110.4042
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** JAMES E DAVIDSON JR
- **Model:** RANS S-7S COURIER
- **Registration:** N599YY
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s unintentional use of a winter-blend fuel that was susceptible to vaporization, which resulted in fuel starvation and a loss of engine power due to vapor lock. Contributing to the accident was the airplane’s undersized fuel lines, which limited the available fuel flow and volume.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR24LA130) · AI Analytics · CC0 1.0*