# NTSB Accident ERA12LA346
> **ROBINSON HELICOPTER R44** · 2012-05-19 · Destin, FL, USA · NONE
## Event
- **NTSB number:** ERA12LA346
- **Event ID:** 20120521X45856
- **Type:** Accident
- **Date:** 2012-05-19
- **Location:** Destin, FL, USA
- **Coordinates:** 30.399906, -86.490814
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R44
- **Registration:** N444WT
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The partial loss of engine power due to a stuck (open) exhaust valve in the No. 5 cylinder. Contributing to the accident was the operator’s failure to follow the engine manufacturer’s directives concerning cooling of the engine after flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA12LA346) · AI Analytics · CC0 1.0*