A Gulfstream G100 carrying six people was flying from Bermuda to Boston when it lost contact near the Massachusetts island. A search for survivors has ended.

The plane, with four Canadians on board and two people picked up in Bermuda, lost contact shortly after 1 a.m. A search was underway Saturday off the coast of Nantucket, Mass.

© U.S. Coast Guard

A local nonprofit said the 52-ton mammal is “far too big, awkward and heavy to remove.” A town official later said it could be dragged out to sea by Thanksgiving.