# NTSB Accident ANC01TA035
> **Robinson R-44** · 2001-02-04 · Chickaloon, AK, USA · NONE
## Event
- **NTSB number:** ANC01TA035
- **Event ID:** 20010221X00484
- **Type:** Accident
- **Date:** 2001-02-04
- **Location:** Chickaloon, AK, USA
- **Coordinates:** 61.745834, -147.224441
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** Robinson
- **Model:** R-44
- **Registration:** N7183P
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's collision with terrain due to his inadequate planning of the approach, and his failure to maintain the helicopter's main rotor RPM during a go-around.  Factors in the accident were a tailwind, flat lighting conditions, and snow-covered terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC01TA035) · AI Analytics · CC0 1.0*