L
label label /leb(ə)l/ noun a small piece of
paper or cloth attached to an article with
details of its owner, contents, use, destination,
etc.
Hydraulic tubing has a
label with the word HYDRAULIC. 
verb 1. to identify by using a label

Parts are labelled with the manufacturer’s
name. 2. to add identifying
words and numbers to a diagram

There is a standard way of labelling the
navigation vector.
lack lack /lk/ noun the absence of something
or a need for something
The
engine stopped because of a lack of fuel.
lag lag /l$/ noun a delay, especially the
time interval between an input and the
resultant output
There is a time lag
between the piston moving down and
the mixture flowing into the cylinder.

jet lag
Lambert’s projection Lambert’s projection /lmbəts
prə|d"ekʃ(ə)n/ a map projection of the
earth based around two standard parallels
of latitude.
Mercator’s projection
laminate laminate /lmnət/ noun a sheet of
man-made material made up of bonded
layers
Direction of the fibres and
types of cloth used in the laminate are
all very important factors.  verb
/lmnet/ to make by using bonded
layers of material
laminated windscreens
lamp lamp /lmp/ noun a small light 
warning lamp a small light, often red,
which informs of a possible danger by
lighting up
The switch is connected to
a warning lamp on the instrument panel
which will illuminate if the oil pressure
falls below an acceptable minimum.
land land /lnd/ noun solid ground, as
opposed to the sea
a large land mass
such as Greenland  verb 1. to set an
aircraft onto the ground or another surface
such as ice or water, after a flight 
to force land the aircraft to land the
aircraft when it can no longer be kept in
the air for any particular reason 2. to
arrive on the ground after a flight

Flight BA321 landed at London Heathrow
at 1030 hours.
crash-land. Opposite
take off
landing landing /lndŋ/ noun the act of setting
an aircraft onto the ground or
another surface such as ice or water
after flight
Take-off and landing are
normally made into wind in order to
reduce the length of the take-off and
landing run.
In order to achieve a safe
landing in a cross wind, the correct
techniques must be used.
landing beacon landing beacon /lndŋ bikən/
noun a radio transmitter at an airfield
that sends a beam to guide aircraft that
are landing
landing beam landing beam /lndŋ bim/ noun a
radio beam from a beacon at a landing
field that helps incoming aircraft to
make a landing
landing charges landing charges /lndŋ
tʃɑd"z/ plural noun money paid to an
airport authority by an operator or private
pilot for landing an aircraft
landing field landing field /lndŋ fild/ noun a
place where aircraft can land and take
off
landing gear landing gear /lndŋ $ə/ noun
same as undercarriage
landing pad landing pad /lndŋ pd/ noun
same as helipad
133 latter
landing run landing run /lndŋ rn/ noun the
distance on the runway from the touchdown
point to the stopping point or taxiing
speed
landing speed landing speed /lndŋ spid/ noun
the lowest speed at which an aircraft
must be flying in order to land safely
landing strip landing strip /lndŋ strp/ noun a
specially prepared area of land for an
aircraft to land on
landing weight landing weight /lndŋ wet/ noun
the weight of an aircraft when it lands,
which is made up of its empty weight,
the weight of its payload, and the
weight of its remaining fuel
landmark landmark /lndmɑk/ noun something
on the ground which enables the
pilot to know where he/she is, e.g. a
noticeable building, bridge, coastal feature,
etc.
Railway lines are usually
useful landmarks.
landside landside /lndsad/ noun the part of
an airport farthest from the aircraft
lane lane /len/ noun same as air lane
lapse rate lapse rate /lps ret/ noun the rate
at which temperature changes according
to altitude  adiabatic lapse rate
the rate at which air temperature
decreases as it rises above the Earth’s
surface. As the height increases, the
temperature decreases.
COMMENT: It has been found that
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：Dictionary of Aviation下