# NTSB Accident CHI03FA025
> **Robinson R22** · 2002-11-20 · St. Jacob, IL, USA · NONE
## Event
- **NTSB number:** CHI03FA025
- **Event ID:** 20021202X05545
- **Type:** Accident
- **Date:** 2002-11-20
- **Location:** St. Jacob, IL, USA
- **Coordinates:** 38.775001, -89.809165
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22
- **Registration:** N559DD
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Fatigue fracture of the clutch assembly fan shaft and the resulting complete loss of power to the rotor drive system.  A contributing factor was the loss of tail rotor authority due to the secondary failure of the control tube assembly.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI03FA025) · AI Analytics · CC0 1.0*