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airships (dirigibles)
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nonrigid (blimp): a lighter-than-air
craft having a gas bag, envelope, or skin that is not
supported by any framework or reinforced by stiffening. Its
shape is maintained by the internal pressure of the gas with
which it is filled. semirigid (sometimes blimp): a dirigible
having its main envelope reinforced by a keel but not having
a completely rigid framework. rigid: a dirigible having
several gas bags or cells enclosed in an envelope supported
by an interior rigid framework structure.
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amphibian
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an airplane designed to rise from and
alight on either water or land
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autogyro
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a rotary-wing aerodyne whose rotor is
turned throughout its flight by air forces resulting from
the motion of the craft through the air
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balloon
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a bag, usually spherical, made of
silk or other light, tough, nonporous material filled with
some gas which is lighter-than-air. It is an aerostat
without a propelling system.
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biplane
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an airplane having two wings or
supporting surfaces, one located above the other
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boat, flying
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type of airplane in which the
fuselage (hull) is especially designed to provide flotation
on water
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glider
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an engineless airplane flown by being
manipulated into air currents that keep it aloft
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helicopter
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a type of rotary-wing aerodyne whose
lift and forward thrust are derived from airfoils
mechanically rotated about an approximately vertical
axis
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kite
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a light frame, usually of wood,
covered with paper or cloth and designed to be flown in the
wind at the end of a string
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lifting body
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an aerodyne which derives most or all
of its lift in flight from the shape of its fuselage, the
wings being essentially nonexistent
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monoplane
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an airplane having but one wing or
supporting surface
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ornithopter
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a type of aircraft achieving its
chief support and propulsion from the bird-like flapping of
its wings
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parachute
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cloth device, consisting of a canopy
and suspension lines, which basically produces a drag force
to retard the descent of a falling body
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[183]
paraglider
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a flexible-winged, kite-like vehicle
designed for use in a recovery system for launch
vehicles
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pusher airplane
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an airplane with the propeller or
propellers aft of the main supporting surfaces
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rotary-wing aircraft
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a type of aerodyne which is supported
in the air wholly or in part by wings or blades rotating
about a substantially vertical axis
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tailless airplane
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an airplane in which the devices used
to obtain stability and control are incorporated in the
wing
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tractor airplane
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an airplane with the propeller or
propellers forward of the main supporting surfaces
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STOL
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short take-off and landing
airplane
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VTOL
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vertical take-off and landing
airplane
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V/STOL
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an airplane which has both STOL and
VTOL capabilities
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