The 1993 Auckland mid-air collision was an aircraft accident in New Zealand. It occurred on 26 November 1993, when two aircraft operated by Airwork, under contract to the New Zealand Police, collided and crashed in central Auckland. The mid-air collision of the Aérospatiale TwinStar helicopter and Piper Archer aeroplane resulted in the deaths of all four occupants – a civilian Airwork pilot on each aircraft and two New Zealand Police officers on the helicopter. The accident occurred in daylight with excellent visibility, in uncontrolled airspace (class G), with both aircraft flying under visual flight rules.