# NTSB Accident CHI99FA276
> **Piper PA-28-180** · 1999-08-05 · LAKE GENEVA, WI, USA · SERS
## Event
- **NTSB number:** CHI99FA276
- **Event ID:** 20001212X19423
- **Type:** Accident
- **Date:** 1999-08-05
- **Location:** LAKE GENEVA, WI, USA
- **Coordinates:** 42.579704, -88.420822
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 3
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 4
## Aircraft
- **Make:** Piper
- **Model:** PA-28-180
- **Registration:** N4337X
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the aborted takeoff not performed by the safety-pilot and airspeed not obtained/maintained by the safety-pilot. Factors to the accident were directional control and runway alignment not maintained by the pilot-in-command, the inadequate supervision of the safety-pilot, the tree line, altitude/clearance not obtained/maintained by the safety-pilot, the aircraft weight and balance exceeded by the pilot-in-command, and the encountered stall by the safety-pilot.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99FA276) · AI Analytics · CC0 1.0*