# NTSB Accident WPR13FA284
> **BEECH A45** · 2013-06-23 · Boulder City, NV, USA · FATL
## Event
- **NTSB number:** WPR13FA284
- **Event ID:** 20130624X93000
- **Type:** Accident
- **Date:** 2013-06-23
- **Location:** Boulder City, NV, USA
- **Coordinates:** 35.966667, -114.883331
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** BEECH
- **Model:** A45
- **Registration:** N434M
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot/mechanic's loss of control during an emergency descent following a loss of engine power while in cruise flight. Contributing to the accident was the pilot/mechanic's incorrect assembly of the No. 6 cylinder at the last cylinder change, which resulted in a separation of the cylinder and the loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR13FA284) · AI Analytics · CC0 1.0*