# NTSB Accident CHI90LA276
> **MOONEY M20E** · 1990-09-27 · MORRISON, IL, USA · NONE
## Event
- **NTSB number:** CHI90LA276
- **Event ID:** 20001212X24235
- **Type:** Accident
- **Date:** 1990-09-27
- **Location:** MORRISON, IL, USA
- **Coordinates:** 41.800174, -89.960983
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** MOONEY
- **Model:** M20E
- **Registration:** N7197U
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER MAINTENANCE OF THE PROPELLER BLADE BY UNKNOWN PERSONS AND THE SUBSEQUENT FAILURE OF THE BLADE IN FATIGUE DURING CRUISE FLIGHT. A FACTOR WAS: UNSUITABLE TERRAIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI90LA276) · AI Analytics · CC0 1.0*