# NTSB Accident CEN15LA198
> **ROBINSON HELICOPTER COMPANY R44 II** · 2015-04-15 · Dunlap, IL, USA · NONE
## Event
- **NTSB number:** CEN15LA198
- **Event ID:** 20150416X53304
- **Type:** Accident
- **Date:** 2015-04-15
- **Location:** Dunlap, IL, USA
- **Coordinates:** 40.9225, -89.678886
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON HELICOPTER COMPANY
- **Model:** R44 II
- **Registration:** N754R
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of main rotor rpm for reasons that could not be determined during postaccident examinations.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN15LA198) · AI Analytics · CC0 1.0*