manual control /mnju.l k.n
tr.υl/ noun hand-flying an aircraft equipped with an autopilot or automatic flight control system
manually /mnju.li/ adverb by
hand . The system is switched on man-ually.
manufacture /mnjυfkt../ verb
to make a product for sale using indus-trial machines . The centrifugal com-pressor is usually more robust than the axial flow type and also easier to develop and manufacture.
map /mp/ noun a representation of the Earth’s surface on a flat surface such as a sheet of paper . a map of Africa . verb to make measurements and calcu-lations of part of the Earth’s surface in order to produce a map
MAP abbreviation missed approach point
margin /mɑd.n/ noun 1. a blank space bordering the written or printed area on a page . Write notes in the mar-gin of the book. 2. an amount allowed in addition to what is needed . safety mar-gin . In some configurations, it is possi-ble for the buffet speed to be less than the required 7% margin ahead of the stall.
maritime /mr.ta.m/ adjective
referring to the sea . maritime wind a wind blowing from the sea . The Rocky Mountains of North America act as a barrier to the cool maritime winds from the Pacific Ocean.
mark /mɑk/ noun 1. a visible trace on a surface, e.g. a dot or a line . There are marks on tyres and wheel rims which are aligned and indicate the extent of tyre creep. 2. the number of points or a percentage given for academic work . verb 1. to make a visible line, dot, etc., on a surface . Mark the departure point on the chart. 2. to show or indicate . The weather front marks the boundary between the two air masses. 3. to cor-rect or check academic work done by a student . The instructor marked the exam papers.
marked /mɑkt/ adjective very
noticeable, clear and definite . a marked increase a noticeable, there-fore possibly large, increase . a marked change in the weather a sig-nificant change in the weather
145 matter
marker /mɑk./ noun 1. something which acts as an indicator of something such as distance or position 2. a radio beacon that is part of the ILS
COMMENT: The outer marker (OM) is indicated on the instrument panel, by a blue light. The middle marker (MM) is indicated by an amber light and the inner marker (IM) by a white light.
marker dye /mɑk. da./ noun a
brightly coloured substance used by people adrift at sea to draw the attention of flight crews to their position
marshal /mɑ.(.)l/ verb to direct air-craft into their parking positions on the apron by means of hand signals . After taxiing, a marshaller marshals the air-craft to the disembarkation and unload-ing point.
marshaller /mɑ.(.)l./ noun a
member of ground staff whose job is to direct aircraft into parking positions by means of hand signals
‘…when under a marshaller’s control, reduce speed to a walking pace’ [Civil Aviation Authority, General Aviation Safety Sense Leaflet]