# NTSB Accident CEN11FA433
> **KLEMP GREGORY J CHALLENGER II** · 2011-06-30 · Neshkoro, WI, USA · FATL
## Event
- **NTSB number:** CEN11FA433
- **Event ID:** 20110630X60036
- **Type:** Accident
- **Date:** 2011-06-30
- **Location:** Neshkoro, WI, USA
- **Coordinates:** 44.041389, -89.304443
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** KLEMP GREGORY J
- **Model:** CHALLENGER II
- **Registration:** N12911
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The total loss of engine power during the initial climb due to a cold seizure as a result of a broken fan V-belt. Contributing to the accident was the passenger's interference with the flight controls during the forced landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN11FA433) · AI Analytics · CC0 1.0*