B772 vs. B773

Attribute	B772	B773
Manufacturer	Boeing	Boeing
First Flight	1994	2009
Length	63.7 m	64.8 m
Wingspan	60.9 m	60.9 m
Height	18.5 m	18.6 m
Maximum Takeoff Weight	247,200 kg	351,500 kg

Introduction

Boeing 777 is a popular series of wide-body twin-engine jet airliners produced by Boeing Commercial Airplanes. The series includes the B772 (Boeing 777-200) and the B773 (Boeing 777-300). Both aircraft are known for their efficiency, range, and passenger comfort. In this article, we will compare the attributes of the B772 and B773 to help you understand the differences between these two models.

Size and Capacity

The B772 is the smaller of the two aircraft, with a typical seating capacity of around 300 passengers in a three-class configuration. On the other hand, the B773 is larger and can accommodate up to 550 passengers in a similar configuration. The B773 is also longer than the B772, with a length of around 242 feet compared to the B772's length of approximately 209 feet.

Range and Performance

When it comes to range, the B772 has a maximum range of around 7,725 nautical miles, while the B773 has a slightly shorter range of approximately 7,370 nautical miles. Both aircraft are powered by General Electric GE90 engines, which provide excellent fuel efficiency and performance. The B773 has a higher maximum takeoff weight compared to the B772, allowing it to carry more passengers and cargo over longer distances.

Cabin Configuration and Comfort

Both the B772 and B773 offer a spacious and comfortable cabin layout, with a wide fuselage that allows for larger overhead bins and more legroom for passengers. The B773, being larger, can offer more seating options and configurations, including premium economy and first-class cabins. The B772, on the other hand, is more limited in terms of cabin configurations due to its smaller size.

Technology and Avionics

Both the B772 and B773 are equipped with advanced avionics systems, including fly-by-wire technology and glass cockpits. These features enhance safety and efficiency during flight operations. The B773, being a newer model, may have some additional technological advancements compared to the B772, such as improved navigation systems and communication capabilities.

Operating Costs and Efficiency

Due to its larger size and capacity, the B773 may have higher operating costs compared to the B772. However, the B773's increased passenger capacity allows airlines to generate more revenue per flight, which can offset the higher operating costs. In terms of fuel efficiency, both aircraft are relatively similar, thanks to their modern engine technology and aerodynamic design.

Conclusion

In conclusion, the B772 and B773 are both excellent aircraft with their own unique attributes and advantages. The B772 is ideal for airlines looking for a smaller, more cost-effective option, while the B773 is perfect for carriers that require a larger capacity and extended range. Ultimately, the choice between the two aircraft will depend on the specific needs and preferences of the airline operating them.