# NTSB Accident WPR10CA164
> **EUROCOPTER AS 350 B3** · 2010-03-16 · Parker, AZ, USA · NONE
## Event
- **NTSB number:** WPR10CA164
- **Event ID:** 20100320X84445
- **Type:** Accident
- **Date:** 2010-03-16
- **Location:** Parker, AZ, USA
- **Coordinates:** 34.136665, -114.285552
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** EUROCOPTER
- **Model:** AS 350 B3
- **Registration:** N4282
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The mechanics' failure to account for all the tools following a maintenance procedure and the pilot's failure to perform a preflight check before a maintenance test flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR10CA164) · AI Analytics · CC0 1.0*