CHANDLER, Ariz.—A helicopter and a single-engine plane collided in midair over suburban Phoenix Friday and the two people aboard the copter died after it crashed into a brush field near a municipal airport, officials said. The flight instructor and a student who were aboard the plane landed safely and were not hurt. The collision happened in the city of Chandler near Chandler Municipal Airport, which does not have scheduled commercial air passenger service, said police Sgt. Jason McClimans. He said no one on the ground was hurt. News video showed a firefighting crew using a tarp to cover the helicopter’s burned wreckage in brush on what appeared to be a vacant lot or field near the airport’s southern boundary. The plane was upright at the airport near a runway and its fuselage appeared intact. The landing gear of the plane, a Piper PA-28, was damaged in the collision but it …