# NTSB Accident ERA16LA265
> **EUROCOPTER DEUTSCHLAND GMBH MBB BK 117 C-2** · 2016-04-26 · Pittsburgh, PA, USA · NONE
## Event
- **NTSB number:** ERA16LA265
- **Event ID:** 20160723X95223
- **Type:** Accident
- **Date:** 2016-04-26
- **Location:** Pittsburgh, PA, USA
- **Coordinates:** 40.461944, -79.944725
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 5
- **Total aboard:** 5
## Aircraft
- **Make:** EUROCOPTER DEUTSCHLAND GMBH
- **Model:** MBB BK 117 C-2
- **Registration:** N145HN
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Maintenance personnel’s failure to properly secure the left vertical fin cowling during recent maintenance, which resulted in its separation and subsequent contact with the tail rotor system during flight.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA16LA265) · AI Analytics · CC0 1.0*