Dictionary of Aviation下(87)

曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

airflow acting on the tailplane is one of
the first symptoms of the approaching
stall.
synchronisation synchronisation /sŋkrəna|
zeʃ(ə)n/, synchronization noun
occurrence at the same time or rate

Prior to engagement, when the aircraft
is being flown manually, the autopilot
system will be following the aircraft
flight attitude, thus ensuring that synchronisation
is achieved.
synchronise synchronise /sŋkrənaz/, synchronize
verb to cause to occur or operate
at the same time or rate
The aircraft
must be trimmed for the desired
flight attitude before engaging the autopilot,
which must be synchronised to
maintain that attitude when it is
engaged.
synchronous synchronous /sŋkrənəs/ adjective
referring to something operating at the
same time or rate
Synchronous motors
will run at constant speed and are small
and light in weight.
synoptic /s|nɒptk/ adjective referring
to something which gives a brief
outline or general view of something
more complex
With the addition of
fronts and isobars, the synoptic chart
provides a representation of the
weather over a large area, at a particular
time.
synthetic synthetic /sn|θetk/ adjective not
natural, artificial
Mineral-based fluids
are normally coloured red, and must be
used with synthetic rubber seals and
hoses.
system system /sstəm/ noun a group of
interdependent parts forming and operating
as a whole
a braking system
an
electrical system
T
tab tab /tb/ noun the hinged rear part of
flight control surface used for trimming

Trim tabs remove the pilot’s control
loads by aerodynamically holding the
control surface in the required position.
table table /teb(ə)l/ noun a set of facts or
figures displayed in columns and rows

Charts are issued at UK meteorological
offices and show, for selected locations,
a table of winds and temperatures at
selected flight levels.
tabular tabular /tbjυlə/ adjective  in tabular
form arranged in a table
The
most widely acceptable presentation of
fuel data is in tabular form but graphical
presentations may also be used.
Tacan Tacan /tkən/ noun an aircraft navigation
system that uses UHF signals
from a transmitting station for distance
and bearing. Full form Tactical area
navigation aid
tachometer tachometer /t|kɒmtə/ noun an
instrument for the measurement of revolutions
per minute of a rotating shaft

The pilot checks the tachometer and
notes the resulting drop in r.p.m. for
each magneto.
TAF TAF abbreviation 1. terminal aerodrome
forecast 2. aerodrome forecast
(ICAO)
tail tail /tel/ noun the rear part of the aircraft

The tail section is the aft part of
the fuselage to which is fitted the tail
unit, comprising the tailplane, elevators,
fins and rudders.
tail assembly tail assembly /tel ə|sembli/ noun
the aft part of the fuselage with the fin
and rudder, tailplane and elevators
attached
tail-dragger tail-dragger /tel dr$ə/ noun
same as tailwheel aircraft (informal )
tailplane tailplane /telplen/ noun a horizontal
stabiliser, a horizontal aerofoil at the
rear of the aircraft
On most high performance
aircraft the incidence of the
horizontal stabiliser (or tailplane) can
be varied in flight.
tail rotor tail rotor /tel rəυtə/ noun a small
rotor on the tail of a helicopter that prevents
the helicopter from spinning in
the direction opposite to the rotation of
the main rotor
tailskid tailskid /telskd/ noun a support or
runner on the underside of the tail of an
aircraft
tailspin tailspin /telspn/ noun a rapid and
uncontrolled spiral descent of an aircraft
tail unit tail unit /tel junt/ noun the rear
part of the aircraft, usually consisting of
the fin and tailplane
tailwheel tailwheel /telwil/ noun a small
wheel under the tail of an aircraft. Compare
nosewheel
tailwheel aircraft tailwheel aircraft /telwil
eəkrɑft/ noun aircraft with a small
wheel at the tail instead of a nosewheel.
Also called tail-dragger
tailwheel conversion course tailwheel conversion course
/telwil kən|v%ʃ(ə)n kɔs/ noun a
　
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