Abstract: An aircraft carrier, the main deck of which is provided with an armored enclosure housing at least one work area for servicing aircraft. Service bays are arranged sequentially in the work area within the hangar in assembly-line fashion. Takeoff assisting means for the aircraft is provided on a portion of the main deck. The work areas can be divided by fire and explosion resistant doors which open and close with each refurbishing phase started or completed, with major increase in the speed of squadron operation.