to pass information to give informa-tion . pass your message an instruction to a pilot to give information via radio to an air traffic control facility 3. . to pass an exam to be successful in an exam 4. . to pass a book to someone to pick up and give a book to somebody nearby 5. . to pass another aircraft to move past another aircraft
passage /ps.d/ noun 1. move-ment over, along, or through something
. The passage of air over a turbine is used to power a small emergency gen-erator. . The passage of a trough is marked by a sharp veer in the wind. 2. a channel through which something can pass . Liquid cooling is achieved by cir-culating a liquid around the cylinder barrels, through a passage formed by a jacket on the outside. 3. part of a book or speech, etc. . a passage from a train-ing manual
passenger /ps.nd./ noun a per-son who travels in an aircraft, car, train, etc., and has no part in the operation of it . The Piper Archer has seating for a pilot and three passengers.
passenger aircraft /ps.nd. e.krɑft/ noun an aircraft specially designed for carrying people
passive /ps.v/ adjective receiving an action but taking no action . In pri-mary radar systems, the target is pas-sive. . passive state referring to a sys-tem or device which may be switched on or ‘live’ but not reacting to any input. Opposite active
pass-mark /pɑs mɑk/ noun the
mark which separates those who fail and those who pass an examination
passport control /pɑsp.t k.n
tr.υl/ noun 1. the action of checking passports of people arriving in or leav-ing a country . We now have to go through passport control. 2. the place where passports are checked when peo-ple arrive in or leave a country . At
169 period
passport control, a customs official checks passports.
patch /pt./ noun a small area . a
patch of fog . a patch of cloud . Patches of early morning fog made identifica-tion of ground features difficult.
path /pɑθ/ noun a route or course along which something moves . Pro-jection of the path of the aircraft over the ground is called its track.
pattern /pt(.)n/ noun a form or method which shows particular, con-sistent characteristics . pressure pat-tern changes in pressure areas which take place regularly, e.g. every year
pavement /pe.vm.nt/ noun a pre-pared concrete or tarmac surface for ground manoeuvring of aircraft, includ-ing taxiways and runways (NOTE: The bearing strengths of pavements intended for aircraft of 5,700 kg MTWA (maximum total weight authorised) or less are reported as the maximum allowable weight and maximum allowa-ble tyre pressure.)
pavement classification number /pe.vm.nt kls.f. ke..(.)n nmb./ noun a number expressing the bearing strength of a pavement for unrestricted operations. Abbreviation PCN
PAX abbreviation passengers payload /pe.l.υd/ noun the money-earning load carried by the aircraft including the passengers, baggage and freight . The shape of an aircraft is determined by the requirement to pro-vide an aerodynamic lift force great enough to support the weight of the air-craft and payload whilst in flight.
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