Boeing 767F vs. Lockheed C-5 Galaxy

The Boeing 767 Freighter (767-300F) is a cargo aircraft developed by Boeing, based on the passenger model Boeing 767. Introduced in 1993, it has become one of the most popular cargo aircraft globally, recognized for its versatility and efficiency in various cargo operations.

Production History: The Boeing 767 Freighter's journey began with the launch of the Boeing 767 program in 1978. The prototype first flew in 1981, with the initial 767-200 variant entering service in 1982. The 767-300F, the production freighter version of the 767, debuted in October 1995. This model was designed to complement larger aircraft like the 747, offering a smaller fuselage suitable for medium-sized cargo operations​​​​. While production for passenger 767 aircraft has ceased, Boeing continues to deliver cargo variants as of 2024.

Design Features: The Boeing 767-300F has a length of 54.9 meters, a wingspan of 47.6 meters, and a height of 15.9 meters. It is powered by two Pratt & Whitney PW4000 or General Electric CF6-80C2 engines. The aircraft's maximum takeoff weight is 186 tons, and it can carry a maximum payload of 52.7 tons. Its cargo hold dimensions are about 5 m x 4 m x 17 m, making it capable of transporting a wide range of cargo, including containers, pallets, cars, and oversized items. The main deck has a cargo door and crew exit, while the lower deck has two right-side doors and one left-side door.

Operational History: Since its introduction, the Boeing 767 Freighter has been used by numerous airlines and cargo carriers worldwide, including FedEx, UPS, DHL, Amazon Air, and ABX Air. Its ability to transport various cargo types efficiently over domestic and international routes has made it a valuable asset in the global air cargo industry​​.

Similar Freighter Models: Comparable aircraft to the Boeing 767 Freighter include the Boeing 777, Airbus A300-600F, and Antonov An-70.

The Lockheed C-5 Galaxy is a large military transport aircraft developed by the Lockheed Corporation, now Lockheed Martin. The C-5 distinguishes itself by its sheer size and payload capacity, designed to transport a wide range of military equipment, including oversized vehicles and machinery.

Production History: Development of the Lockheed C-5 Galaxy began in the 1960s to replace the Douglas C-133 Cargomaster and to complement the Lockheed C-141 Starlifters. The United States Army desired a transport aircraft that could carry a wide array of outsized equipment. After a rigorous selection process, Lockheed's design, characterized by a T-tail and a unique cockpit position above the cargo area, was chosen in 1965. The first C-5A Galaxy was rolled out in 1968. The program, however, faced several challenges, including technical problems, weight issues, and cost overruns, leading to congressional investigations. Despite these hurdles, the C-5 Galaxy emerged as a key asset in strategic airlift capabilities​​​​.

Design Features: The C-5 Galaxy stands out with its four General Electric TF39-GE-1C turbofan engines, providing a significant thrust and efficiency. Its design includes a high-set wing with a 25-degree sweep and a distinctive T-tail. The aircraft is equipped with forward and rear cargo loading assemblies and a visor-type upward-hinged nose. The upper deck can accommodate a crew of six, a relief crew, and passengers, with provisions like bunk rooms, galleys, and lavatories. The cargo compartment is vast, capable of carrying a range of military hardware, including tanks, helicopters, and large numbers of troops. The landing gear system is unique, featuring a "kneeling" capability to facilitate cargo loading. The C-5 also has inflight refueling capabilities, extending its operational range significantly​​.

Operational History: Since its introduction, the C-5 Galaxy has been a critical component of U.S. military logistics, capable of transporting heavy and outsized military equipment globally. It played a vital role in operations such as Desert Shield and Desert Storm, where despite being only 12% of the airlift fleet, it carried 44% of the cargo. The Galaxy's capacity for strategic airlift has proven invaluable in numerous military and humanitarian operations, making it a cornerstone of the U.S. Air Force's airlift capability.

Similar Freighter Models: The Lockheed C-5 Galaxy is often mentioned alongside the Russian Antonov An-124. The C-5 was the largest aircraft in the world until the introduction of the An-124 in 1982. Compared to other US military aircraft, the C-5 Galaxy is significantly bigger than the C-17 Globemaster III, C-130 Hercules, and C-141 Starlifter.