CH-148 Cyclone RCAFCH 148 Cyclone helicopter model. The CH 148 Cyclone is one of the most capable maritime helicopters in the world. It is Canadas main ship borne maritime helicopter, and it provides air support to the Royal Canadian Navy. The Cyclone can be used for surface and sub surface surveillance, search and rescue missions, tactical transport and more. It can operate during the day or night and in most weather conditions to support missions in Canada and around