# NTSB Accident ERA15CA055
> **MCDONNELL DOUGLAS HELICOPTER MD500** · 2014-11-18 · Decatur, AL, USA · NONE
## Event
- **NTSB number:** ERA15CA055
- **Event ID:** 20141119X50954
- **Type:** Accident
- **Date:** 2014-11-18
- **Location:** Decatur, AL, USA
- **Coordinates:** 34.714443, -87.156112
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MCDONNELL DOUGLAS HELICOPTER
- **Model:** MD500
- **Registration:** N8371F
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

An undetermined pilot's failure to maintain clearance from an electrical transmission tower resulting in substantial damage to a main rotor blade. Postaccident investigation could not determine which of two pilots was flying the helicopter at the time the damage occurred.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA15CA055) · AI Analytics · CC0 1.0*