# NTSB Accident WPR13FA037
> **CESSNA 421C** · 2012-11-11 · Shaver Lake, CA, USA · FATL
## Event
- **NTSB number:** WPR13FA037
- **Event ID:** 20121111X04124
- **Type:** Accident
- **Date:** 2012-11-11
- **Location:** Shaver Lake, CA, USA
- **Coordinates:** 37.095832, -119.299163
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 421C
- **Registration:** N700EM
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NITE
- **Weather:** VMC
## Probable cause

The pilot's failure to regain airplane control following a sudden rapid descent during cruise, which resulted in an in-flight breakup. Contributing to the accident was the pilot's decision to make the flight with a failed vacuum pump, particularly at high altitude in night conditions.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR13FA037) · AI Analytics · CC0 1.0*