# NTSB Accident FTW01LA121
> **Eurocopter AS-350-B2** · 2001-05-18 · Houston, TX, USA · MINR
## Event
- **NTSB number:** FTW01LA121
- **Event ID:** 20010522X00986
- **Type:** Accident
- **Date:** 2001-05-18
- **Location:** Houston, TX, USA
- **Coordinates:** 29.610975, -95.120208
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Eurocopter
- **Model:** AS-350-B2
- **Registration:** N311TV
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the failure of the pilot to maintain control of the helicopter following an inadvertent deactivation of the hydraulic system, during final approach. A contributory factor was the unguarded hydraulic cut-off switch.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW01LA121) · AI Analytics · CC0 1.0*