MONTREAL—Air Canada sees a need for an aircraft the size of Boeing’s proposed new midmarket aircraft (NMA) to provide extended-range services between smaller markets. CEO Calin Rovinescu indicated the airline is interested in an aircraft that would fit into its fleet between Boeing’s 737 MAX and 787. “There is a need for aircraft of that size, for secondary airports in North America, Europe and Asia, but with the range of a widebody aircraft,” he said recently ...