A medical aircraft carrying six people went missing off the coast of Massachusetts early this week.
According to flight data, the aircraft lost contact with flight controllers after it suddenly dropped significantly in altitude.
The loss of communication was reported by air traffic control authorities, who have been monitoring the flight's progress.
No further details have been released about the cause of the sudden altitude loss or the aircraft's current location.
Authorities are continuing to search the area, but no additional information is available at this time.
<small>Source: BBC News — read the original story there.</small>
