# NTSB Accident MIA04CA059
> **Robinson R22** · 2004-03-12 · Keystone, FL, USA · NONE
## Event
- **NTSB number:** MIA04CA059
- **Event ID:** 20040407X00425
- **Type:** Accident
- **Date:** 2004-03-12
- **Location:** Keystone, FL, USA
- **Coordinates:** 29.844722, -82.0475
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22
- **Registration:** N4370D
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The inadequate supervision by the flight instructor by allowing the student to lose excessive altitude resulting in a skid impacting the ground and subsequent roll over of the helicopter.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA04CA059) · AI Analytics · CC0 1.0*