767-300 / Air CanadaAir Canada 767 300 airplane model. Launched alongside the Model 757, the Boeing Model 767 featured a novel fuselage design that was 4 feet 1 inch wider, allowing for seven or eight abreast seating across two aisles. In a high density configuration with eight abreast seating, the aircraft could seat up to 289 passengers. The inaugural Model 767 was unveiled in Everett, Washington, on August 4, 1981, and completed its first flight, lasting 2 hours and 4