# NTSB Accident MIA94LA176
> **ROBINSON R-22** · 1994-07-09 · SANFORD, FL, USA · NONE
## Event
- **NTSB number:** MIA94LA176
- **Event ID:** 20001206X01809
- **Type:** Accident
- **Date:** 1994-07-09
- **Location:** SANFORD, FL, USA
- **Coordinates:** 28.810995, -81.329895
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON
- **Model:** R-22
- **Registration:** N22431
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE FAILURE OF THE TAILROTOR DRIVESHAFT FOR UNDETERMINED REASONS RESULTING IN LOSS OF TAILROTOR DRIVE. THIS RESULTED IN THE HELICOPTER SPINNING UNCONTROLLED AND DESCENDING FROM A HOVER UNTIL IT CRASHED IN THE WATER.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA94LA176) · AI Analytics · CC0 1.0*