# NTSB Accident MIA04LA113
> **Robinson R 22 Mariner** · 2004-07-28 · Lantana, FL, USA · MINR
## Event
- **NTSB number:** MIA04LA113
- **Event ID:** 20040810X01191
- **Type:** Accident
- **Date:** 2004-07-28
- **Location:** Lantana, FL, USA
- **Coordinates:** 26.593055, -80.084999
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R 22 Mariner
- **Registration:** N516PB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the pilot-in-command to maintain recommended main rotor RPM following a reported total loss of engine power due to undetermined reasons, during a practice autorotation resulting in a hard landing and subsequent roll over.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA04LA113) · AI Analytics · CC0 1.0*