423 Maritime Helicopter Squadron is a unit of the Canadian Forces under Royal Canadian Air Force. It currently operates the Sikorsky CH-148 Cyclone from Shearwater Heliport at CFB Halifax in Nova Scot

Shearwater Heliport, formerly known as Canadian Forces Base Shearwater and commonly referred to as CFB Shearwater and formerly named HMCS Shearwater, is a Canadian Forces facility located 4.5 nautical