# NTSB Accident LAX07LA173
> **Westland Helicopters Wasp HAS MK1** · 2007-05-25 · Ramona, CA, USA · MINR
## Event
- **NTSB number:** LAX07LA173
- **Event ID:** 20070607X00690
- **Type:** Accident
- **Date:** 2007-05-25
- **Location:** Ramona, CA, USA
- **Coordinates:** 33.150833, -116.938056
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 3
- **Uninjured:** 1
- **Total aboard:** 4
## Aircraft
- **Make:** Westland Helicopters
- **Model:** Wasp HAS MK1
- **Registration:** N612VH
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** —
- **Weather:** VMC
## Probable cause

Failure of the pilot to maintain clearance from a tree while performing a precautionary landing.  Contributing to the accident was the failure of a snubber dampener that induced a severe vibration in the rotor system.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX07LA173) · AI Analytics · CC0 1.0*