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the runway.  gust load an increased
load to the airframe caused by a sudden
increase in wind strength  verb to
increase in strength suddenly
Wind is
at 10 knots gusting to 20 knots.
gyro gyro /d"arəυ/ noun same as gyroscope
gyro- gyro- /d"arəυ/ prefix gyroscopic
gyrocompass gyrocompass /d"arəυ|kmpəs/
noun a compass which uses gyroscopic
directional stability rather than magnetism
to indicate direction
The gyrocompass
should be checked against the
magnetic compass and reset if necessary.
gyroplane gyroplane /d"arəυplen/ noun an
aircraft fitted with an unpowered rotor
for producing lift
gyroscope gyroscope /d"arəskəυp/ noun a
device consisting of a spinning wheel,
mounted on a base so that its axis can
turn freely in one or more directions and
thereby maintain its own direction even
when the base is moved
The traditional
attitude indicator, heading indicator
and turn-coordinator contain
gyroscopes.
directional (NOTE: The
word is often shortened to gyro.)
COMMENT: A spinning gyro maintains
its position even when an aircraft
banks, climbs, or dives. Gyros drive
the attitude indicator, direction
indicator and turn coordinator to help
pilots control an aircraft while flying in
cloud or in poor visibility.
gyroscopic gyroscopic /d"arə|skɒpk/ adjective
referring to a gyroscope or using the
properties of a gyroscope
gyroscopic compass gyroscopic compass
/d"arəskɒpk kmpəs/ noun a compass
which uses gyroscopic directional
stability rather than magnetism to indicate
directions. Also called gyrocompass
gyroscopic precession gyroscopic precession
/d"arəskɒpk pri|seʃ(ə)n/ noun a
characteristic of a gyroscope, that the
force applied to a spinning gyroscope
will act at a point 90° in the direction of
rotation, not at the point where the force
is applied
Forces of gyroscopic precession
act on the direction indicator to
keep it aligned vertically and horizontally.
H
hail hail /hel/ noun precipitation as small
pellets of ice
Precipitation is the falling
of water, as rain, sleet, snow or hail
onto the surface of the earth.

Although hail, and in particular, heavy
hail is rare and of short duration, damage
to an aircraft may be severe.
COMMENT: In weather reports and
forecasts, hail is indicated by the
abbreviation ‘GR’.
hailstone hailstone /helstəυn/ noun a small
pellet of ice which falls from clouds
A
hailstone starts as a small ice particle
in the upper portion of a cumulonimbus
cloud.
hailstorm hailstorm /helstɔm/ noun a storm,
where the precipitation is hail instead of
rain or snow
Flying through the hailstorm
damaged the leading edges.
hand flying hand flying /hnd flaŋ/ noun flying
an aircraft by moving the flight controls
with the hands rather than by using
the autopilot
hand-held hand-held /hnd held/ adjective
possible to hold in the hand
Nowadays,
headsets are usually used in preference
to hand-held microphones.

hold
handle handle /hnd(ə)l/ noun a device for
holding, or being operated, by the hand

a door handle
a fire control handle
 verb 1. to touch with the hands

Cabin staff should not handle
unwrapped food which is to be served to
passengers. 2. to move or operate by
hand
The student pilot handled the
aircraft well in the turbulent conditions.
3. to deal with, or to manage
Flight
crew must be able to handle any emergency
when it occurs.
handling handling /hndlŋ/ noun 1. the act
of touching with the hands 2. the use of
the hands to move or operate something
 aircraft handling the act of manoeuvring
the aircraft in the desired manner
3. the act of dealing with or managing
something
Her handling of a difficult
situation won the admiration of the
whole crew.
hand luggage hand luggage /hnd l$d"/ noun
small bags that passengers can take
with them into the cabin of an aircraft

The amount of hand luggage is limited
to one bag.
hand signals hand signals /hnd s$n(ə)lz/ plural
noun same as marshalling signals
hands off hands off /hndz ɒf/ adjective,
adverb where the operator does not
　
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本文鏈接地址：Dictionary of Aviation上(101)