# NTSB Accident SEA89LA100
> **ROBINSON R-22** · 1989-06-05 · PRINEVILLE, OR, USA · MINR
## Event
- **NTSB number:** SEA89LA100
- **Event ID:** 20001213X28670
- **Type:** Accident
- **Date:** 1989-06-05
- **Location:** PRINEVILLE, OR, USA
- **Coordinates:** 44.099693, -120.660316
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON
- **Model:** R-22
- **Registration:** N8022Q
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOTS INADEQUATE VISUAL LOOKOUT AND FAILURE TO MAINTAIN CLEARANCE FROM OBSTRUCTIONS, RESULTING IN THE TAIL ROTOR IMPACTING A ROAD SIGN AND SUBSEQUENT LOSS OF ANTI-TORQUE CONTROL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA89LA100) · AI Analytics · CC0 1.0*