# NTSB Accident WPR19FA123
> **ROBINSON R44** · 2019-04-29 · Kailua, HI, USA · FATL
## Event
- **NTSB number:** WPR19FA123
- **Event ID:** 20190429X61624
- **Type:** Accident
- **Date:** 2019-04-29
- **Location:** Kailua, HI, USA
- **Coordinates:** 21.403333, -157.76445
## Injuries
- **Highest injury:** FATL
- **Fatal:** 3
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** ROBINSON
- **Model:** R44
- **Registration:** N808NV
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The helicopter’s encounter with a strong downdraft or outflow boundary while operating at a higher than recommended airspeed in turbulence which resulted in a low-G condition, excessive main rotor flapping, and an in-flight breakup when the main rotor contacted the cabin area.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR19FA123) · AI Analytics · CC0 1.0*