Generally speaking unless an aircraft is operating over sparsely populated areas it is required to operate 1,000 feet above property on the ground except during takeoff or landing. For operations over sparsely populated areas the requirement is 500 feet. Arriving and departing traffic at PBI are under the control of the Air Traffic Control Tower and Approach facility. They ensure aircraft are flying at correct altitudes, speed and course. For complaints contact: South Florida FSDO - Contact the Office (faa.gov).