# NTSB Accident LAX91LA163
> **SCHEMPP-HIRTH VENTUS B/16.6** · 1991-04-07 · LAKE COBB, CA, USA · MINR
## Event
- **NTSB number:** LAX91LA163
- **Event ID:** 20001212X16805
- **Type:** Accident
- **Date:** 1991-04-07
- **Location:** LAKE COBB, CA, USA
- **Coordinates:** 38.830223, -122.710174
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** SCHEMPP-HIRTH
- **Model:** VENTUS B/16.6
- **Registration:** N81PT
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THAT THE PILOT'S VISUAL LOOKOUT WAS IMPROPER.  CONTRIBUTING TO THIS ACCIDENT WAS THE UNMARKED TRANSMISSION WIRE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX91LA163) · AI Analytics · CC0 1.0*