# NTSB Accident WPR14FA137
> **EUROCOPTER AS 350 B2** · 2014-03-18 · Seattle, WA, USA · FATL
## Event
- **NTSB number:** WPR14FA137
- **Event ID:** 20140318X21532
- **Type:** Accident
- **Date:** 2014-03-18
- **Location:** Seattle, WA, USA
- **Coordinates:** 47.620277, -122.348609
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** EUROCOPTER
- **Model:** AS 350 B2
- **Registration:** N250FB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The loss of helicopter control due to a loss of hydraulic boost to the tail rotor pedal controls at takeoff, followed by a loss of hydraulic boost to the main rotor controls after takeoff. The reason for the loss of hydraulic boost to the main and tail rotor controls could not be determined because of fire damage to hydraulic system components and the lack of a flight recording device.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR14FA137) · AI Analytics · CC0 1.0*