Briefing To Capacity (Aviation)

Briefingtmp1D36-1_thumbnoun a short meeting to enable instructions and basic information to be given British Islestmp1D36-2_thumbplural noun the islands which make up Great Britain and Ireland o The climate of the British Isles is affected by the Atlantic Ocean.

British thermal unittmp1D36-3_thumb tmp1D36-4_thumbnoun the amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit.

Abbreviation Btu

brittletmp1D36-5_thumbadjective having a tendency to break easily, like thin glass o Absorption of oxygen and nitrogen from the air at temperatures above 1,000°F makes titanium brittle. BRNAV abbreviation basic area navigation

broadtmp1D36-6_thumbadjective 1. very wide a broad river 2. wide or general o Three broad categories of aircraft are considered — rotary wing aircraft, light single-engine aircraft and twin-engine aircraft. Opposite narrow broadcasttmp1D36-7_thumbverb to transmit, often to a large number of people, a radio signal or message which requires no answer o The cabin crew can use the public address system to broadcast messages to passengers only. (note: broadcasting – broadcast)  noun a transmission of information relating to air navigation that is not addressed to a specific station or stations

Broadlytmp1D36-8_thumbadverb widely or generally □ broadly speaking generally speaking

brushtmp1D36-9_thumbnoun 1. a tool that has lengths of hair or wire fixed into a handle and is mainly used for painting or cleaning 2. a small, replaceable block of carbon which rubs against the surface of a commutator in a generator or electric motor o At high altitude, the air becomes drier and this causes a greatly increased rate of wear on the brushes. buckletmp1D36-10_thumbnoun a metal part of a belt used for joining the two ends together ■ verb to bend out of shape because of heat or force o Overheating will make the battery plates buckle.

buffettmp1D36-11_thumbnoun a shaking movement of the aircraft caused by the breakdown of the airflow over the upper surface of the wing o Large aircraft use a stick shaker to supplement the natural stall warning of buffet. verb to push around with great force, as by water or wind o The storm buffeted the coast. o The aircraft was buffeted by strong crosswinds as it made its final approach to land.

Comment: Buffet is a warning to the pilot that the smooth airflow over the wing is breaking down and that he should take corrective action to prevent a stall.

buffetingtmp1D36-12_thumb1 noun an irregular shaking of a part or the whole of an aircraft during flight, usually caused by strong winds

buffet speedtmp1D36-13_thumb‘ noun the speed at which buffet is first noticed bugtmp1D36-14_thumbnoun a fault in computer  software which causes the program to operate incorrectly  build uptmp1D36-15_thumbverb to form by accumulation o In icing conditions, ice builds up on the leading edges. i> built-up (note: building up – built up)

build-uptmp1D36-16_thumbnoun a gradual accumulation o a build-up of static electricity

built-uptmp1D36-17_thumbadjective □ built- up area an area which is full of houses, shops, offices, and other buildings, and with very little open space bulbtmp1D36-18_thumbnoun 1. a glass ball inside a lamp that gives electric light o If a lamp does not work, the bulb may need replacing. 2. something shaped like a lamp bulb o The most common type of hygrometer is the wet and dry bulb thermometer arrangement.

bulkheadtmp1D36-19_thumbnoun a dividing partition across the structure of the fuselage separating one compartment from another for reasons of safety or strength o A fireproof bulkhead is provided to separate the cool area of the engine from the hot area.

bulletintmp1D4A-1_thumbnoun a short report or information on a situation o news bulletin o weather bulletin o A terminal aerodrome forecast bulletin may consist of forecasts for one or more aerodromes.

BUMF » mnemonic burbletmp1D4A-2_thumbnoun a break in the flow of air around an aircraft’s wing, which leads to turbulence bursttmp1D4A-3_thumbnoun 1. a minor explosion caused by increased pressure o The risk of tyre burst through overheating is increased by hard application of the brakes. 2. a very short period of activity followed by no activity o The ground installation transmits a code in two short bursts. □ burst of energy a very short period of energy  verb to explode because of increased pressure or puncture o Metal debris on the runway may cause a tyre to burst. (note: bursting -burst)

busbartmp1D4A-4_thumbnoun an electrical conductor used to carry a particular power supply to various pieces of equipment o Complex busbars are thick metal strips or rods to which input and output connections are made.

buttontmp1D4A-5_thumbnoun a little round disc which you push to operate something, e.g. to ring a bell

Buys Ballot’s Lawtmp1D4A-6_thumb tmp1D4A-7_thumbnoun a rule for identifying low pressure areas, based on the Coriolis effect comment: In the northern hemisphere, if the wind is blowing from behind you, the low pressure area is to the left, while in the southern hemisphere it is to the right.

buzztmp1D4A-8_thumbverb to fly low in an aircraft over people or buildings, or to fly across the path of other aircraft

bypasstmp1D4A-9_thumb/ noun 1. an alternative pipe, channel, etc. o A turbine bypass in the form of an alternative exhaust duct is fitted with a valve. 2. same as shunt

C symbol 1. Celsius 2. centigrade CAA abbreviation Civil Aviation Authority cabintmp1D54-1_thumbnoun a passenger compartment in an aircraft o Air enters at the front of the cabin and leaves at the rear.

cabin attendanttmp1D54-2_thumb tmp1D54-3_thumbnoun member of the flight crew who looks after passengers, serves food, etc. o If you need something, press the call button and a cabin attendant will respond within a few minutes. Also called flight attendant cabin compressor and blower systemtmp1D54-4_thumb

tmp1D54-5_thumbnoun part of the air conditioning system for the cabin cabin crewtmp1D54-6_thumbnoun air line staff who are in direct contact with the passengers and whose in-flight responsibilities include: ensuring correct seating arrangements, serving food and attending to the general well-being of passengers, etc.

cabin environment noun the conditions inside the aircraft cabin, including the temperature, the space, the colour scheme, the seating arrangements, etc. cabin pressuretmp1D54-7_thumb noun the pressure of air inside the cabin which allows people to breathe normally at high altitudes

cabin pressurisationtmp1D54-8_thumb tmp1D54-9_thumbnoun the maintenance of an acceptable atmospheric pressure in an aircraft while flying at high altitude o At 35,000 ft (feet) passengers can breathe freely because of cabin pressurisation.

Cabletmp1D54-10_thumbnoun 1. thick metal wire □ control cables thick metal wire linking the pilot’s cockpit controls to control surfaces such as the elevators and ailerons 2. a thick metal wire used for electrical connections o Earth return is by cable to the negative pole of the battery.

Cabotagetmp1D54-11_thumbnoun the right of a country to operate internal air traffic with its own airlines and not those of other countries

calculatetmp1D54-12_thumbverb to find out an answer to a problem by working with numbers o The total flight fuel can be calculated by multiplying the time of the flight by kilograms of fuel per hour. calculationtmp1D54-13_thumbnoun an act of finding out an answer to a problem by working with numbers calculation oftmp1D54-14_thumbfuel required noun an arithmetic estimation of fuel needed by using time, distance and fuel-consumption factors calculatortmp1D54-15_thumbnoun an electronic machine for making calculations o Students are not allowed to use calculators in the examination. calibratetmp1D54-16_thumbverb to adjust the scale or graduations on a measuring instrument or gauge o The international standard atmosphere is used to calibrate pressure altimeters.

Calibrated airspeedtmp1D54-17_thumb tmp1D54-18_thumbnoun indicated airspeed corrected for instrumentation and installation errors.

Abbreviation CAS calibrationtmp1D54-19_thumbnoun the adjusting of the scale or graduations on a measuring instrument or gauge o The international standard atmosphere is used for the calibration of instruments.

call buttontmp1D68-1_thumbnoun a button, often on the arm of a passenger seat, which can be pushed when you need help from an attendant callsigntmp1D68-2_thumbnoun a series of words and/or letters and/or numbers used to identify an aircraft or station o The aircraft’s callsign is ‘College 23′. o VOR stations transmit a two or three letter aural Morse callsign.

calorietmp1D68-3_thumbnoun the amount of heat required to raise the temperature of 1 gram of water by 1°C, equal to 4.186 joules o After 2 calories have been released the temperature will have risen 2 degrees i.e. to 0°C, and so the freezing process ceases temporarily.

Abbreviation cal

calorifictmp1D68-4_thumbadjective refer ring to calories □ calorific value the heat produced by the complete burning of a given amount of fuel o The calorific value of a fuel is an expression of the heat or energy content released during combustion.

camtmp1D68-5_thumbnoun an oval or egg- shaped wheel which, when rotating, converts circular motion into reciprocating motion o In a piston engine, the shape of each cam is designed to give the correct amount of opening to the valve.

CAMFAXtmp1D68-6_thumbnoun the civil aviation meteorological facsimile network

camplatetmp1D68-7_thumbnoun a rotating or non-rotating plate with cams on it o The fuel pump consists of a rotor assembly fitted with several plungers, the ends of which bear onto a non-rotating camplate.

camshafttmp1D68-8_thumbnoun a rotating shaft carrying cams, which opens and closes valves in a piston engine o As the camshaft rotates, the cam will transmit a lifting force.

canardtmp1D68-9_thumbnoun a projection similar to a small wing fitted close to the nose of an aircraft and designed to increase its horizontal stability candelatmp1D68-10_thumbnoun the SI unit of brightness of a light o The red and green wing tip navigation lights must be at least 5 candela. (note: It is usually written cd with figures.)

candle powertmp1D68-11_thumb noun a unit to measure the brightness of a light o Estimation of visibility is achieved by noting the distances at which lights of a known candle power can be observed.

canopytmp1D68-12_thumbnoun 1. a transparent cover, typically on some fighters, light aircraft and gliders, designed to slide backwards and forwards or hinge upwards to allow pilots to enter or leave an aircraft 2. a covering to protect people in a life raft o The canopy should be erected to provide protection from the weather.

Cantilevertmp1D68-13_thumbnoun a beam fixed and supported at one end only o The mainplanes or wings are of cantilever design.

captmp1D68-14_thumbnoun a top or lid o the exhaust valve cap CAP abbreviation Civil Aviation Publication

capabilitytmp1D68-15_thumbnoun the capacity or ability to do something □ the flare has a day and night capability the flare is effective in daylight and in the dark ‘France has a large capability in the areas of commercial aviation training and simulation’ [Civil Aviation Training]

capabletmp1D68-16_thumbadjective competent, having an ability o Aircraft used in aerobatics must be capable of withstanding the extra loads imposed on the airframe by the manoeuvres. o In most modern multi-engine jet transport aircraft, each fuel tank is capable of feeding any engine. □ a capable person a person who works well capacitance ,tmp1D68-17_thumb‘ noun the ability of a system of conductors and insulators to store an electrical charge when there is a positive discharge between the conductors o If the supply frequency is low, the voltage has more time to build up a larger charge, or capacitance. (note: Capacitance is measured in farads and can either be a fixed amount or variable amount.)

capacitivetmp1D7A-1_thumbadjective referring to the ability of a system of conductors and insulators to store an electrical charge Overspeed is usually a fault in the constant speed drive unit which causes the generator to over-speed and damage the capacitive loads on the aircraft.

capacitortmp1D7A-2_thumbnoun a system of conductors and insulators which store electrical charge (note: A capacitor is used in a circuit to store energy for a short while.)

Capacitytmp1D7A-3_thumbnoun 1. the ability to do something easily o Energy is the capacity for performing work. 2. the amount of something which a container can hold o Each cylinder has a capacity of 0.5 litres. □ battery capacity the amount of electrical energy a battery can store and deliver expressed in ampere hours 3. the ability of an ATC system, in a given area, to provide a normal service, expressed in numbers of aircraft ‘…a 500 to 600 seat ultra-high capacity type aircraft is now being studied by Airbus Industrie and Boeing’ [Flight International 1—7 May 1996]

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