# NTSB Accident ERA13LA174
> **PIPER PA-25-235** · 2013-03-18 · Panama City, FL, USA · MINR
## Event
- **NTSB number:** ERA13LA174
- **Event ID:** 20130318X82854
- **Type:** Accident
- **Date:** 2013-03-18
- **Location:** Panama City, FL, USA
- **Coordinates:** 30.341388, -85.831947
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA-25-235
- **Registration:** N86AB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of preload to the crankshaft gear attachment bolt, resulting in rotation of the crankshaft gear and a subsequent total loss of engine power. The root cause for the loss of preload could not be determined during a postaccident examination of the components.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA13LA174) · AI Analytics · CC0 1.0*