A home-built helicopter crashed in North Canterbury, according to a witness who described the event as the aircraft falling “like a rock” from about 400 meters. The incident occurred in an area known for its rugged terrain, where the helicopter’s descent was observed by nearby residents. Emergency services were called to the scene, though no details have been released about the condition of the pilot or any potential injuries. The helicopter, which was constructed by its operator, was reportedly flying in an area where such aircraft are occasionally used for recreational purposes. Authorities are investigating the cause of the crash, but no official statement has been made yet. The crash has raised questions about the safety of home-built aircraft in remote regions.