PLANNING IS A VERY LARGE RESEARCH FIELD WITH SEVERAL SUBFIELDS AND SEVERAL COMMUNITIES AS PARTICIPANTS.PATH PLANNING FOR UNMANNED AERIAL VEHICLE (UAV) IS PLANNING OF THE UAV PLATFORMS TRAJECTORY, FOR EXAMPLE; PATH, VELOCITY, ETC. PATH PLANNING PROBLEM IS VERY COMPLEX AND THAT THE RELATIONSHIP BETWEEN DIFFERENT RESEARCHES FIELDS SUCH AS CONTROL, ROBOTICS, COMPUTER VISION, AEROSPACE, OPERATION RESEARCH, DATA FUSION AND ARTIFICIAL INTELLIGENCE. PATH PLANNING IS AIMING AT GENERATING OPTIMAL FLIGHT PATH. PATH PLANNING FOR UNMANNED AERIAL VEHICLE (VAV) IS THREE DIMENSION (3D) UAV 3D PATH PLANNING PROBLEM WAS SOLVED WITH A LOT OF WORKS. CLASSIFICATION THE UAV 3D PATH PLANNING METHODS IN TO SEVERAL CATEGORIES. THE KEY TECHNIQUES AT THE PATH PLANNING INCLUDE THE INFORMATION ACQUSITION AND PROCESSING AT THE TERRAIN AND OBSTACLES.