# NTSB Accident ERA12CA179
> **ROBINSON HELICOPTER R44** · 2012-02-13 · N. Charleston, SC, USA · NONE
## Event
- **NTSB number:** ERA12CA179
- **Event ID:** 20120214X33057
- **Type:** Accident
- **Date:** 2012-02-13
- **Location:** N. Charleston, SC, USA
- **Coordinates:** 32.876667, -79.958885
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R44
- **Registration:** N5511L
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight instructor’s failure to apply power during a practice autorotation in order to arrest a high rate of descent, which resulted in an in-flight collision with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA12CA179) · AI Analytics · CC0 1.0*