# NTSB Accident WPR16LA156
> **ROBINSON R22** · 2016-08-02 · Prescott, AZ, USA · MINR
## Event
- **NTSB number:** WPR16LA156
- **Event ID:** 20160802X91137
- **Type:** Accident
- **Date:** 2016-08-02
- **Location:** Prescott, AZ, USA
- **Coordinates:** 34.660831, -112.416389
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON
- **Model:** R22
- **Registration:** N22UH
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight instructor’s delayed remedial action to address a low rotor rpm condition, which resulted in an excessive descent rate and a subsequent hard landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR16LA156) · AI Analytics · CC0 1.0*