Basket: The car suspended beneath a balloon, for passengers, ballast, etc.
Biplane: A form of airplane in which the main supporting surface is divided into two parts, one above the other.
Body of an airplane: See Fuselage and Nacelle.
Bonnet: The appliance, having the form of a parasol, which protects the valve of a spherical balloon against rain.
Bridle: The system of attachment of cable to a balloon, including lines to the suspension band.
Bull’s-eyes: Small rings of wood, metal, etc., forming part of balloon rigging, used for connection or adjustment of ropes.
Burble point: See Angle, critical.
Cabane: A pyramidal framework upon the wing of an airplane, to which stays, etc., are secured.
Camber: The convexity or rise of the curve of an aerofoil from its chord, usually expressed as the ratio of the maximum departure of the curve from the chord to the length of the chord. “Top camber” refers to the top surface of an aerofoil, and “bottom camber” to the bottom surface; “mean camber” is the mean of these two.
Capacity: See Load. The cubic contents of a balloon.