yesterday afternoon. a pilot of a al italia describing what a brac drone umanned aircraft on the final approach to runway 31 right. according to the faa which is investigating the pilot reported the sighting four to five miles west of the airport at altitude of 1500 feet t looked like a black drone about a meter square with helicopter rotors on the corner. the aircraft did not take evasive action and landed safely, bill. bill: do investigators believe there was sinister motivation at work? >> reporter: it is possible. any flying object can pose a dranker to aircraft. we've seen what bird strikes can do. a drone can cause problems if sucked into an engine. faa referred to model aircraft standards allows for flying remote-controlled airplanes recreation alley 400 feet and in sight of the operator. anyone flying a aircraft within three miles of the