The two people killed when a small plane crashed on a Massachusetts highway were a married couple who appeared to take off without a flight plan — and without the aircraft’s owners knowing why it was being flown. Thomas Perkins, 68, and his wife, Agatha Perkins, 66, of Middletown, Rhode Island, were found dead in the small Air Charity Network plane that crashed on I-195 in Dartmouth during rush hour Monday morning as wind gusts reached 55 mph, according to Boston 25 News . An unidentified woman