L-049
Initial production variant powered by two R-3350-745C18BA-1 radials.
Originally produced as the C-69 before 1945.
87 built.

L-149
Designation given to L-049 aircraft refitted with a larger fuel capacity.

L-549
Company designation for the sole C-69C built for the United States Army Air Forces.
L-049
Initial production variant powered by two R-3350-745C18BA-1 radials. Originally produced as the C-69 before 1945. 87 built.
L-149
Designation given to L-049 aircraft refitted with a larger fuel capacity.
L-549
Company designation for the sole C-69C built for the United States Army Air Forces.
Lockheed L-049 Constellation