# ENTRAPMENT
> MSHA accident `220171070015` · 04/12/2017 · Freeport-McMoRan Sierrita Ops.
## 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:** Freeport-McMoRan Inc
- **Operator:** Freeport-McMoRan Sierrita Ops.
- **Mine:** [0200144](https://api.ai-analytics.org/mine/0200144)
## Narrative

Air boat 1 launched for survey. Survey began air boat shut down w/4 EEs aboard. Attendant notified; notifications made; plan formed to launch second AB for retrieval. Air boat launched. When they arrived to AB 1, AB 2 quit running. Mayday called; Sup. Instructed 2 EEs to get marsh master w/ paddle boat, plywood & rope to retrieve EEs. Marsh master overheated; EEs were removed. 

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