long-haul /l.. h.l/ adjective trav-
elling over a long distance . Crew flying long-haul routes have to adapt to time changes. Opposite short-haul
longitude /l...tjud/ noun the
angular distance on the Earth’s surface, measured east or west from the prime meridian at Greenwich, UK, to the meridian passing through a position, expressed in degrees, minutes, and sec-onds . The centre of London is latitude 51°30’N, longitude 0°5’W. Compare
latitude longitudinal /l...tjud.n(.)l/
adjective in a lengthwise direction
longitudinal axis
/l...tjud.n(.)l ks.s/ noun the axis of the aircraft which extends from the nose to the tail. . axis, roll
long-range /l.. re.nd/ adjective
1. covering a long distance . long-range radar 2. . long-range weather forecast covering a period more than 5 days ahead
lookout /lυkaυt/ noun a careful watch . Keep a careful lookout for other aircraft. . to be on the lookout for to watch carefully for something
loop /lup/ noun a flight manoeuvre in which the aircraft rotates, nose up, through 360° while holding its lateral position
loop antenna /lup nten./ noun
circular-shaped conductive coil which rotates to give a bearing to a ground sta-tion
LORAN abbreviation long-range air navigation system
lose /luz/ verb not to have something any longer (NOTE: losing – lost) . to lose altitude to descend from higher to lower altitude
loss /l.s/ noun no longer having something . The pilot reported loss of engine power. . loss of control no longer being able to control . loss of life death in an accident . loss of a sig-nal disappearance of a signal . The term attenuation means the loss of strength of a radio signal.
loudspeaker /laυdspik./ noun an
electromagnetic device that converts electrical signals into audible noise. Also called speaker
lounge /laυnd/ noun . VIP lounge a
special room at an airport for VIPs. .
departure lounge louvre /luv./ noun thin, horizontal openings for air cooling . Cold air can be let into the cabin through adjustable
louvres. (NOTE: The US spelling is lou-ver.) low /l.υ/ adjective 1. not high, not tall
. a low building . low cloud cloud rel-atively near the surface of the earth . low ground an area of land which is not high, as opposed to mountains 2. not high, or below normal . an area of low pressure . low temperature a tempera-ture which shows that it is cold 3. quiet, not loud . noun an area of low atmos-pheric pressure . polar low an area of low atmospheric pressure over polar regions
lower /laυ./ adjective 1. referring to something that is at a low level or towards the bottom . the lower layers of the atmosphere . the lower surface of the wing the underneath surface of the wing 2. referring to something which is below something else of the same sort .
Air is cooler high up than at lower lev-
els. Opposite upper . verb 1. to let down to a lower position . lower the undercarriage move the undercarriage into position ready for landing . lower the flaps set the flaps to a down posi-tion 2. to reduce in amount or intensity
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