# NTSB Accident CEN13CA027
> **AEROSPATIALE SA315B** · 2012-10-19 · Helena, OK, USA · NONE
## Event
- **NTSB number:** CEN13CA027
- **Event ID:** 20121024X92730
- **Type:** Accident
- **Date:** 2012-10-19
- **Location:** Helena, OK, USA
- **Coordinates:** 36.54639, -98.270553
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** SA315B
- **Registration:** N57948
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to properly secure the cyclic and to stop the main rotor system before exiting the helicopter, which resulted in the main rotor blades striking the tail rotor driveshaft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN13CA027) · AI Analytics · CC0 1.0*