# ENTRAPMENT
> MSHA accident `220143290009` · 11/20/2014 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** ENTRAPMENT
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

At 12:00 noon the HVAC technician was going to the top of the silo in the elevator when the elevator stopped near the top of the silo. The elevator passenger was never in any danger of being injured.  This person was safely out of the elevator at 12:42 pm.

---
*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*