# NTSB Accident CEN19LA162
> **Robinson R44** · 2019-06-08 · Last Chance, CO, USA · MINR
## Event
- **NTSB number:** CEN19LA162
- **Event ID:** 20190610X91011
- **Type:** Accident
- **Date:** 2019-06-08
- **Location:** Last Chance, CO, USA
- **Coordinates:** 39.787498, -103.770553
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Robinson
- **Model:** R44
- **Registration:** N4504L
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain adequate main rotor rpm while descending with a tailwind during an aerial application maneuver, which resulted in an uncontrolled descent into terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN19LA162) · AI Analytics · CC0 1.0*