# NTSB Accident LAX98LA271
> **Clark BARNETT J4B2** · 1998-08-18 · MARYSVILLE, CA, USA · MINR
## Event
- **NTSB number:** LAX98LA271
- **Event ID:** 20001211X10903
- **Type:** Accident
- **Date:** 1998-08-18
- **Location:** MARYSVILLE, CA, USA
- **Coordinates:** 39.149932, -121.469024
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Clark
- **Model:** BARNETT J4B2
- **Registration:** N694
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inadequate rigging of the rotor blades and rudder, which led to an inability to maintain control of the gryocopter.  The pilot's inadequate landing flare in soft terrain, which resulted in a nose low touchdown and subsequent nose over, and, his limited experience in gyroplanes were factors.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX98LA271) · AI Analytics · CC0 1.0*