438 "City of Montreal" Tactical Helicopter Squadron (French: 438e Escadron tactique d'hélicoptères "Ville de Montréal") is a unit of the Royal Canadian Air Force. The squadron operates the CH-146 Griffon tactical helicopter from the Hartland de Montarville Molson Hangar of CFB St. Hubert in Quebec, Canada. Its tasks include armed and unarmed tactical utility transport, training aircrew personnel in basic and advanced aviation tactics, technical training of groundcrew personnel and flight engineers and the periodic maintenance of CH-146 fleet aircraft. They also include as residual capabilities search and rescue, reconnaissance and support to federal, provincial and local law enforcement agencies. A "total force" unit composed of members of the Regular Force, and both full time and part tim