See BALLOON.

French metric unit of distance. One kilometer equals O.621 statute mile or O.5396 nautical mile.

Metric unit of weight. One kilogram equals 2.205 Avoir. pounds.

An aeroplane chassis wheel hub provided with removable bronze bushings.

The total effective side area of an aeroplane which tends to prevent skidding or side slipping.

L

LATERAL STABILITY.

Stability about the fore and aft axis.

Aeroplane.

Built up in a series of layers.