US Coast Guard searches for missing air ambulance off coast of Massachusetts
The plane was undertaking a medical evacuation from Bermuda with six people onboard when it lost contact

TL;DR
- US Coast Guard is searching for a missing air ambulance jet.
- The jet, a Gulfstream G-100, was en route from Bermuda to Boston.
- Six people were onboard: four crew members and two passengers.
- The aircraft was on a medical evacuation mission.
- Contact with the FAA was lost early Saturday morning.
- Officials believe the plane rapidly descended 7,500ft.
- The search area is off the coast of Nantucket, Massachusetts.
- No Americans were believed to be onboard.