# NTSB Accident WPR15CA066
> **FERDON THORP T 18** · 2014-12-20 · San Rafael, CA, USA · NONE
## Event
- **NTSB number:** WPR15CA066
- **Event ID:** 20141220X75830
- **Type:** Accident
- **Date:** 2014-12-20
- **Location:** San Rafael, CA, USA
- **Coordinates:** 38.009998, -122.5
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** FERDON
- **Model:** THORP T 18
- **Registration:** N25VP
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's delayed decision to abort the takeoff. Contributing to the accident are an inadequate modification to the seat position, and the pilot's failure to check flight controls for freedom and correct movement.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR15CA066) · AI Analytics · CC0 1.0*