# NTSB Accident CHI92LA015
> **NORTH AMERICAN NAVION D** · 1991-10-20 · LAKE GENEVA, WI, USA · NONE
## Event
- **NTSB number:** CHI92LA015
- **Event ID:** 20001212X18273
- **Type:** Accident
- **Date:** 1991-10-20
- **Location:** LAKE GENEVA, WI, USA
- **Coordinates:** 42.579452, -88.419349
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** NORTH AMERICAN
- **Model:** NAVION D
- **Registration:** N10JF
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FATIGUE FAILURE OF THE CRANKSHAFT.  A FACTOR IN THE ACCIDENT WAS INADEQUATE QUALITY CONTROL BY OTHER MAINTENANCE PERSONNEL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI92LA015) · AI Analytics · CC0 1.0*