List of Lockheed Constellation variants

The Lockheed Constellation was an American civil airliner and military transport built in the 1940s and 1950s; this is a list of its variants.

The aircraft was used for many roles, including one variant Columbine II becoming the first Air Force One.

More commonly used for troop or cargo transport everywhere from Vietnam to Antarctica, there was also specialized variants for electronic warfare or with different engines such as turboprops.

L-749A
A TWA L-1649 Starliner
The original version of the C-69 .
Two VC-121E Constellations , named Columbine II and Columbine III , were used by president Dwight Eisenhower .
A "College Eye" EC-121D at Korat RTAFB.
A "Batcat" EC-121R over Southeast Asia.
C-121J "Pegasus" in flight 1965. This aircraft crashed in Antarctica in 1970, thus giving its name to Pegasus Airfield
An NC-121J used in Vietnam.
A WV-2 in 1957.