# NTSB Accident WPR17FA074
> **QUICKSILVER MXL II** · 2017-03-07 · Hesperia, CA, USA · FATL
## Event
- **NTSB number:** WPR17FA074
- **Event ID:** 20170308X22148
- **Type:** Accident
- **Date:** 2017-03-07
- **Location:** Hesperia, CA, USA
- **Coordinates:** 34.375278, -117.318885
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** QUICKSILVER
- **Model:** MXL II
- **Registration:** UNREG
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to identify and correct his construction error of a critical structural component, which resulted in a loss of airplane control during takeoff. Contributing to the accident was the pilot's impairment due to his combined use of multiple medications and illicit drugs, which led to his improper decision to attempt the flight despite evidence indicating that the error had not been addressed.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR17FA074) · AI Analytics · CC0 1.0*