NEW : Family identifies pilot as Jason Kessler . Passenger says he responded to request for doctor , pronounced pilot dead . 777 landed at 11:49 a.m . ET ; jet was carrying four or five passengers , airline says . ` They just said there was a medical emergency and were there any doctors aboard . '' Flight was headed from Brussels , Brussels , to Newark , New Jersey .
NEW : Family identifies pilot as Jason Kessler . Passenger says he responded to request for doctor , pronounced pilot dead . 777 landed at 11:49 a.m . ET ; jet was carrying four or five passengers , airline says . Flight was headed from Brussels , Brussels , to Newark , New Jersey .