Today in Aviation History: First Flight of The Lockheed L-1049 Super Constellation

This long-range modified Constellation first took off on October 13, 1950, from Lockheed Air Terminal in Burbank, California.

The prototype Lockheed L-1049 Super Constellation, N67900. (Lockheed Martin Aeronautics Company)
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As commercial air travel after World War II reached a peak, airlines needed an aircraft that provided a greater range, passenger capacity, and cargo capabilities. Apart from structural enhancements, airlines also needed an efficient and cost-saving design that provided a lower seat-per-mile operating cost than existing models. This crisis, in an hour of need, inspired Lockheed to build the L-1049 Super Constellation, especially after the success of the Douglas DC-6 airliner. Lockheed took a new and probably best approach by improvising the existing L-748 Constellation design rather than developing an entirely new turbojet-powered aircraft. The reason behind this was the high fuel consumption of jet engines and the time required to develop a whole new model.

Lockheed XC 69 Constellation 43 10309 L 049 NX25600 at the Lockheed Air Terminal Burbank California. Lockheed Martin Aeronautics Company
Lockheed XC-69 Constellation 43-10309 (L-049 NX25600) at the Lockheed Air Terminal, Burbank, California. (Lockheed Martin Aeronautics Company)

Putting Together the Constellation

In 1943, Lockheed began planning the stretched variants of his previous Constellation designs, which included the previous L-049 and L-749. The newer model was envisioned to carry 23 more passengers than the current L-749. Lockheed also repurchased the XC-69 Constellation prototype from Hughes Tool Company, which later became the basis for L-1409. The prototype, X-69, was stretched by 18 feet and was incorporated with extensive modifications that included strengthened landing gear, larger vertical stabilizers, and rectangular windows. The prototype was cut into three sections, with cylindrical pieces added to the fuselage to extend its length. The final L-1049 prototype featured an all over 25 percent increase in cockpit window height and number of passenger windows. The prototype also had improved pressurization and heating systems along with an increased fuel capacity by 5,000 lbs, resulting in a longer range. The prototype first took off on October 13, 1950, from Lockheed Air Terminal in Burbank, California. The test pilot was Tony LeVier, and the flight went successfully, paving the way for production and further enhancements.

Hughes XF 11 44 70155 7 July 1946 at Culver City California left front above large 1 scaled
The Lockheed XC-69 Constellation prototype, 43-10309, is parked behind the Hughes XF-11, 44-70155, at Culver City, California, 7 July 1946. (University of Nevada, Las Vegas Libraries)

Star-Crossed Production Begins

The L-1409 was officially under production in 1950. It was produced for both the U.S. Navy and Air Force as the WV/R7V (Navy) and C-121 (Air Force), utilized for transport, electronics, and airborne early warning systems. The initial orders came from major airlines, including Eastern Air Lines, which ordered about 10 aircraft, and Trans World Airlines, which ordered 14. Lockheed continued to refine and enhance the L-1409 series, producing variants like L-1409C and L-1409E with improved payload capacity and speed. Future models like the L-1409G and H featured even more advanced technology, including the TC-18EA series engines. The final model was powered by four air-cooled, 18-cylinder Wright R-3350 engines, producing 2,700 horsepower for takeoff. The aircraft flaunted a maximum speed of 330 mph and a cruising speed of 304 mph. Capable of carrying 71 to 95 passengers, with a pressurized cabin for long-range flights with a fuel capacity of 3,660 U.S. gallons.

Lockheed L 1049 Super Constellation three view illustration with dimensions. Lockheed Aircraft Corporation
Lockheed L-1049 Super Constellation three-view illustration with dimensions. (Lockheed Aircraft Corporation)

Commercial Time in the Sky

The aircraft received certification and soon entered service with Eastern Air Lines. Eastern operated the L-1049 on its Miami-New York route in December 1951. TWA also began flying its 1049s in 1952 and introduced transatlantic flights with the L-1049G model in 1955. One of the major incidents faced by the majestic craft was a mid-air collision with a United Airlines DC-7 over the Grand Canyon in 1956. The tragedy resulted in the deaths of all passengers and crew aboard both aircraft. Despite setbacks and tragedies, the Super Constellation Continued to be used by airlines across the globe, including KLM, which used it in 1953 on its Amsterdam-New York route and later for flights to Tokyo and Sydney. Air France also used the L-1049C for transatlantic flights, along with British Overseas Airways Corporation (BOAC), which leased three Seaboard L-1049Ds for passenger flights between 1955 and 1956. However, the advent of jet aircraft such as the Boeing 707 and Douglas DC-8 led to the gradual retirement of most Super Constellations from commercial service. The last L-1049 passenger flight in the U.S. was operated by Eastern Airlines in February 1968 on a shuttle route between Newark and Washington, D.C.

Lockheed L1049C CF TGC TCA LAP 12.09.54 edited 2
A Trans-Canada Air Lines L-1049C at Heathrow, 1954. Image via Wikipedia
SEastern Airlines Lockheed L 1049 Super Constellation N6203C. Eastern Airlines
Eastern Airlines Lockheed L-1049 Super Constellation N6203C. (Eastern Airlines)

Military Time in the Sky

The L-1049 served extensively with the U.S. Navy and Air Force, primarily as transports and Airborne Early Warning (AWACS) platforms. The WV-1 variant was used during the Cold War to provide early warning of potential Soviet attacks along the DEW (Distant Early Warning) lines. The L-1049 served in several roles during the Vietnam War, including broadcasting U.S. television programs to troops and observing the Ho Chi Minh Trail. One aircraft was shot down by North Korea in 1969. India became the last military operator of the constellation by operating former Air India L-1049C, E, and G versions for search and rescue missions. These were retired between 1981 and 1983 and replaced by Tupolev Tu-142 aircraft.

Lockheed L 1049 prototype NX6700 as an aerodynamics test aircraft for the U.S. Navy PO 1W airborne early warning Warning Star. SDASM Archives
Lockheed L-1049 prototype NX6700 as an aerodynamics test aircraft for the U.S. Navy PO-1W airborne early warning Warning Star. (SDASM Archives)

Forever Twinkling

The L-1049 is no longer in operational service, with the last commercial flight in 1993. Grounding was primarily due to the introduction of more advanced jet aircraft and safety concerns that led to the FAA’s restrictions on Constellations operated by Dominican Airlines. Despite its retirement from active service, several Super Constellations, especially military versions, have been preserved in museums worldwide, maintaining their legacy in aviation history.

Super Constellation 7908 Zeitler
The Breitling Constellation at the 2015 Spotters Day, 20 in Sanicole, Switzerland. The airplane is currently disassembled and for sale.

Today in Aviation History is a series highlighting the achievements, innovations, and milestones that have shaped the skies. All the previous anniversaries are available HERE.

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"Haritima Maurya, pen name, ""Another Stardust,"" has been passionate about writing since her school days and later began sharing her work online in 2019. She was drawn to writing because of her love for reading, being starstruck by the art of expression and how someone can make you see and feel things exclusive to their experience. She wanted to be able to do that herself and share her mind with world cause she believes while we co exist in this beautiful world least we can do is share our little worlds within.

As a commercial pilot, Haritima balances her passion for aviation with her love for storytelling. She believes that, much like flying, writing offers a perspective beyond the ordinary, offering a bridge between individual experiences and collective understanding.

Through her work, ""Another Stardust"" aims to capture the nuances of life, giving voice to moments that resonate universally. "

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About Haritima Maurya -2 Articles
"Haritima Maurya, pen name, ""Another Stardust,"" has been passionate about writing since her school days and later began sharing her work online in 2019. She was drawn to writing because of her love for reading, being starstruck by the art of expression and how someone can make you see and feel things exclusive to their experience. She wanted to be able to do that herself and share her mind with world cause she believes while we co exist in this beautiful world least we can do is share our little worlds within. As a commercial pilot, Haritima balances her passion for aviation with her love for storytelling. She believes that, much like flying, writing offers a perspective beyond the ordinary, offering a bridge between individual experiences and collective understanding. Through her work, ""Another Stardust"" aims to capture the nuances of life, giving voice to moments that resonate universally. "

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