Which aircraft are often used for Far East or Australasian routes?

Boeing 747, 777, and 787 are frequently used for Far East or Australasian routes due to their long-range capabilities and passenger capacity. The Boeing 747, known for its large size and ability to transport a significant number of passengers over long distances, has long been a staple for international flights. The 777 and 787 are designed for efficiency on long-haul routes as well, featuring advanced aerodynamics and fuel efficiency, making them ideal for transcontinental flights.

These aircraft can comfortably handle the distance and demand associated with travel to Asia and Australia, accommodating varying passenger loads while offering the necessary range. In contrast, smaller aircraft, like the Boeing 737 and Airbus A320 family, are generally intended for shorter domestic or regional flights, making them less suitable for the longer hauls typically associated with routes to the Far East or Australasia. Similarly, the Bombardier Q400, primarily used for regional service, lacks the range and passenger capacity attributed to the preferred long-haul aircraft. Thus, while the other choices may serve specific routes effectively, the Boeing 747, 777, and 787 are best suited for the longer distance requirements of these international destinations.