# NTSB Accident GAA16CA201
> **HELICYCLE/MORRISEY RR RM-1** · 2016-04-22 · Denver, CO, USA · MINR
## Event
- **NTSB number:** GAA16CA201
- **Event ID:** 20160425X71401
- **Type:** Accident
- **Date:** 2016-04-22
- **Location:** Denver, CO, USA
- **Coordinates:** 39.784168, -104.537498
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** HELICYCLE/MORRISEY RR
- **Model:** RM-1
- **Registration:** N867TV
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain control of the helicopter yaw while operating in conditions conducive to loss of tail rotor effectiveness, resulting in an uncommanded rapid right yaw and ground impact.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA16CA201) · AI Analytics · CC0 1.0*