Dictionary of Aviation上(97)

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by using the senses
In fog, it is
difficult to gauge horizontal distances.
(NOTE: gauging – gauged)
GCA GCA abbreviation ground-control
approach
gear gear /$ə/ noun 1. a toothed wheel that
turns with another toothed part to transmit
motion or change speed or direction
2.  valve gear the mechanism for
opening and closing valves 3. equipment
and/or clothing
‘…as pilots, we understand the need for a
convenient way to transport flight gear.
That’s why we custom-designed this line
of soft-sided flight bags in a variety of
styles’ [Advertisement in Pilot]
gearbox gearbox /$əbɒks/ noun a device to
allow changes in the ratio of engine
speed to final drive speed
The auxiliary
power unit (APU) is a small gas
turbine engine which is connected to a
gearbox.
GEM GEM abbreviation ground-effect
machine
genera genera /d"enərə/ plural of genus
general general /d"en(ə)rəl/ adjective concerned
with or applicable to a whole
group of people or things  general
description not a detailed description 
general principles main ideas  general
purpose switches all-purpose
switches  general weather situation
the overall weather picture without the
detail  as a general rule usually  in
general use used a lot
general aviation general aviation /d"en(ə)rəl evi|
eʃ(ə)n/ noun all aviation other than
commercial airlines or the military

The number of GA aircraft stolen is
down sharply since the general aviation
community has taken steps to enhance
security. Abbreviation GA
general flying test general flying test /d"en(ə)rəl
flaŋ test/ noun a test of aircraft-handling
skills for student pilots. Abbreviation
GFT
generate generate /d"enəret/ verb 1. to
bring into being
In an emergency, it
may be necessary for crew to generate a
little panic in passengers to motivate
them to move. 2. to produce something
such as heat or electricity as a result of
a chemical or physical process
The
passage of air around the wing generates
lift.
generation generation /d"enə|reʃ(ə)n/ noun
1. the act or process of creating or making
 generation of ideas the process of
producing or getting ideas  generation
of electricity the production of electricity
2. a class of objects derived from an
earlier class  a new generation of
computers computers which share a
recent development in computer technology
which separates them as a class
from earlier computers
generator generator /d"enəretə/ noun a
power-operated device for making electricity

Starter generators are a combination
of a generator and a starter
housed in one unit.
genus genus /d"inəs/ noun a class, group,
or family
Various types of cloud are
grouped into ten basic cloud genera.
(NOTE: The plural form is genera.)
geographic geographic /d"iə|$rfk/, geographical
/d"iə|$rfk(ə)l/ adjective
referring to geography
a specific geographical
area
the north geographic
pole
geography geography /d"i|ɒ$rəfi/ noun 
physical geography the study of the
Earth’s surface and its features
geometric geometric /d"iə|metrk/ adjective
referring to geometry
A triangle is a
geometric figure.
Geometric pitch
(US) is the distance which a propeller
should move forward in one revolution.
geometry geometry /d"i|ɒmətri/ noun 1. the
study of the properties, measurement,
and relationships of points, lines,
angles, surfaces, and solids
An understanding
of geometry is essential to the
student of navigation. 2. a configuration
or arrangement
the geometry of the
engine nacelle
geostationary geostationary /d"iəυ|
steʃ(ə)n(ə)ri/ adjective referring to an
object, such as a satellite in space,
which rotates round the Earth at the
same speed as the Earth and is therefore
stationary with reference to a point on
the Earth
There are two main types of
satellite that are used for collection and
105 governor
transmission of meteorological data,
polar and geostationary.
geostrophic wind geostrophic wind /d"iəυstrɒfk
wnd/ noun a wind which blows horizontally
　
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