Overview: Engine troubles on the C-46 during the valley run force Devan to shut down an engine. High winds wreak havoc for Devan and his crew on another C-46 mission to help clean up an oil spill in the Northwest Territories. Scott trains on a CL-215 waterbomber and visits his mentor Arnie, then joins the waterbombing crews when Buffalo is called in to fight a massive fire in Alberta.