The center struts rising from the top of the body to the upper wing, or the short struts used for the bracing of the overhanging portions of a biplane wing. Usually cabane denotes the center cell struts.

A machine in which the elevator and stabilizer are in front. The canard type flies "Tail first."

Cowl or motor hood.

See Balloon.

The lifting capacity is the maximum flying load of an aircraft. The carrying capacity (live load) is the excess of the lifting capacity over the dead weight of the aeroplane, the latter including the structure, power plant and essential accessories.

Cock-pit.

A negative dihedral, or wing arrangement, where the wing tips are lower than the center portion.

A device for launching an aeroplane from the deck of a ship or other limited space. The first Wright machines were launched with a catapult.

The space included between adjacent struts of a biplane. The space between the center struts is the "Center Cell."

The maximum altitude to which an aeroplane can ascend.