# NTSB Accident WPR16FA157
> **ARION AIRCRAFT LLC LIGHTNING LS-1** · 2016-08-02 · Van Nuys, CA, USA · FATL
## Event
- **NTSB number:** WPR16FA157
- **Event ID:** 20160802X92043
- **Type:** Accident
- **Date:** 2016-08-02
- **Location:** Van Nuys, CA, USA
- **Coordinates:** 34.198055, -118.485275
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** ARION AIRCRAFT LLC
- **Model:** LIGHTNING LS-1
- **Registration:** N341AL
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's loss of airplane control due to an exceedance of the airplane's critical angle of attack, which resulted in an accelerated stall and subsequent impact with a building. Contributing to the accident was the pilot's unreported physiological impairment from traumatic brain injury, which impaired his ability to safety operate the airplane.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR16FA157) · AI Analytics · CC0 1.0*