# NTSB Accident ERA14LA223
> **MESSERSCHMITT-BOLKOW-BLOHM BK 117** · 2014-05-04 · Hamburg, NY, USA · NONE
## Event
- **NTSB number:** ERA14LA223
- **Event ID:** 20140505X93424
- **Type:** Accident
- **Date:** 2014-05-04
- **Location:** Hamburg, NY, USA
- **Coordinates:** 42.694721, -78.773612
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** MESSERSCHMITT-BOLKOW-BLOHM
- **Model:** BK 117
- **Registration:** N504TJ
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Wear in the left cabin door assembly parts, which resulted in the door partially opening in flight, dislodging from the lower door track assembly, and then separating from the helicopter.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA14LA223) · AI Analytics · CC0 1.0*