Model Variants (Including Prototypes)
C-69 - Transport Variant; Base Series Designation.
L-49 - US Army Tranport Variant
L-049 - 60-Passenger Civil Airliner Production Model.
L-649 - 81-Passenger Civil Airliner Production Model; fitted with Wright 749C-18BD-1 radial engines (x4).
L-749 - Passenger Civil Airliner; increased fuel capacity.
L-1049 "Super Constellation" - Lengthened fuselage; 109-Passenger Civil Airliner Production Model.
L-1649 - Increased wing span; Fitted with Wright 988TC-18EA-2 radial engines; increased fuel capacity; increased range.
C-121 - Transport Variant based on the L-749.
R7O - Naval Transport Variant based on the L-1049.
PO-1 - Early Warning Radar Aircraft Variant
VW-2 "Warning Star" - Early Warning Radar Aircraft Variant.
EC-121 - Electronic Warfare Variant Aircraft.