it happened just before 2:30 local time so 5:30 p.m. on the east coast. according to the celebrity news website tmz, a witness said that his plane nose dived on to the eighth hole of that golf course. tmz also obtained some audio, which nbc has not authenticated. but they say it is harrison ford radioing back to the control tower where he had taken off in santa monica california. radioing back to the air field from which he had taken off. and telling the control tower there that he was in trouble. if this audio is what it appears to be, the first voice here is harrison ford's. listen. >> an immediate return. >> 1781821 clear to land. >> going to three. >> 1781821 clear to land. >> whatever trouble mr. ford had