Boston-bound medical flight plummets 13,000 feet before mysteriously disappearing off radar

Tragedy struck just off the coast of Nantucket on Oct. 3, after air traffic controllers became aware that a Boston-bound medical plane jetting off from Bermuda had suddenly disappeared off radar screens. The Gulfstream G100 left Bermuda at 12:41 a.m. and plummeted more than 10,000 feet before losing