A small plane crashed off the San Diego coast shortly after takeoff, killing all six people on board, the Federal Aviation Administration said Monday. The twin-engine Cessna 414 crashed at around 12:30 p.m. Sunday, the FAA said. The plane was returning to Phoenix one day after flying out from Arizona, according to the flight tracking website Flightaware.com. The pilot told air traffic controllers that he was struggling to maintain his heading and climb as the plane twice turned towards shore before going back out to sea, according to audio posted by www.LiveATC.net and radar data posted by FlightAware. The controller...