# NTSB Accident CEN16LA309
> **CESSNA 172K** · 2016-08-02 · Neenah, WI, USA · NONE
## Event
- **NTSB number:** CEN16LA309
- **Event ID:** 20160808X04351
- **Type:** Accident
- **Date:** 2016-08-02
- **Location:** Neenah, WI, USA
- **Coordinates:** 44.217777, -88.549446
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** CESSNA
- **Model:** 172K
- **Registration:** N46459
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of engine power due to oil starvation, which resulted from the pilot, who was not a certified airframe and powerplant mechanic, removing the vacuum pump from the engine, and his misconception that he could operate the airplane without the pump.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN16LA309) · AI Analytics · CC0 1.0*