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instrumentation instrumentation /nstrυmen|
teʃ(ə)n/ noun a set of specialised
instruments on an aircraft
Instrumentation
in some basic light aircraft is
restricted to a few instruments only.

Some modern light aircraft have very
sophisticated instrumentation.
instrument error instrument error /nstrυmənt
erə/ noun the difference between indicated
instrument value and true value
instrument flight rules instrument flight rules
/nstrυmənt flat rulz/ plural noun
regulations which must be followed
when weather conditions do not meet
the minima for visual flight
The flight
from Manchester to Prestwick was conducted
under instrument flight rules.
Abbreviation IFR
instrument flying instrument flying /nstrυmənt
flaŋ/ noun flying using no references
other than the flight instruments
Some
conditions require instrument flying.

When in cloud, instrument flying is
required. Abbreviation IF
instrument landing instrument landing /nstrυmənt
lndŋ/ noun the landing of an aircraft
when a pilot is relying on information
obtained from instruments rather than
from what can be seen outside the aircraft
instrument landing system instrument landing system
/nstrυmənt lndŋ sstəm/ noun
aids for an instrument landing approach
to an airfield, consisting of a localiser,
glide slope, marker beacons and
approach lights
The instrument landing
system provides both horizontal and
vertical guidance to aircraft approaching
a runway. Abbreviation ILS
COMMENT: The ILS is the most used
precision approach system in the
world.
instrument meteorological conditions instrument meteorological conditions
/nstrυmənt mitiərə
lɒd"k(ə)l kən|dʃ(ə)nz/ plural noun
meteorological conditions of visibility
and distance from cloud ceiling which
are less than those for visual meteorological
conditions
The basic licence
does not permit the pilot to fly in instrument
meteorological conditions. Abbreviation
IMC
instrument rating instrument rating /nstrυmənt
retŋ/ noun an additional qualification
added to a licence, such as PPL,
allowing a pilot to fly in instrument
meteorological conditions
He gained
his instrument rating in 1992. Abbreviation
I/R
COMMENT: An instrument rating is
required for operating in clouds or
when the ceiling and visibility are less
than those required for flight under
visual flight rules (VFR).
insufficient insufficient /nsə|fʃ(ə)nt/ adjective
not enough
Insufficient height
resulted in the pilot landing short of the
runway.
insulate insulate /nsjυlet/ verb 1. to prevent
the passing of heat, cold or sound into
or out of an area 2. to prevent the passing
of electricity to where it is not
required, especially by using a non-conducting
material
Bus bars are insulated
from the main structure and are
normally provided with some form of
protective covering.
insulating insulating /nsjuletŋ/ adjective
preventing the unwanted passage of
heat, cold, sound or electricity
insulating tape insulating tape /nsjυletŋ tep/
noun special adhesive tape which is
used to insulate electrical wires
Insulating
tape was used to prevent the electrical
wires from touching.
insulation insulation /nsjυ|leʃ(ə)n/ noun an
act of or state of preventing the passing
of heat, cold, sound or electricity from
one area to another
For continuous
supersonic flight, fuel tank insulation is
necessary to reduce the effect of kinetic
heating.
insulator insulator /nsjυletə/ noun a substance
which will insulate, especially
which will not conduct electricity

Wood is a good insulator.
intake intake /ntek/ noun an opening
through which a fluid is allowed into a
container or tube
intake guide vane 124
intake guide vane intake guide vane /ntek $ad
ven/ noun a device to direct the flow
of air at the air-intake
intake lip intake lip /ntek lp/ noun the rim or
edge of the air intake of a jet engine
As
　
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本文鏈接地址：Dictionary of Aviation上(114)