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Dictionary of Aviation 航空词典 上

时间:2011-02-23 15:18来源:蓝天飞行翻译 作者:航空 点击:


hijacker /ha.dk./ noun a person who hijacks an aircraft or other vehicle hijacking /ha.dk../ noun the act of taking over control of an aircraft by one or several unauthorised person or persons with the intention of forcing the crew to fly it to a different destination .
The crew must be alert at all times to the possibility of hijacking, bombs and stowaways.
hill /h.l/ noun an easily-seen, natural elevation, smaller than a mountain .
Slopes on the side of a hill or mountain facing away from the sun receive less intense radiation. . Hill shading is pro-


hinder 112
duced by assuming that bright light is shining across the chart sheet so that shadows are cast by the high ground.
hinder /h.nd./ verb to make it diffi-cult for something to happen . Free flow of fuel may be hindered by a block-age in the fuel line. . Her illness hin-dered his progress on the course.
hinge /h.nd/ noun a device which allows a door, flap or lid to open and close on a stationary frame . Flying control hinges should be inspected before flight. . verb to move against a stationary frame . Access to the engine compartment is normally via hinged cowling panels.
HIRF abbreviation high-intensity radi-ated fields
HMR abbreviation helicopter main route
hoar /h./, hoar frost noun a frozen dew which forms on outside surfaces when the temperature falls below freez-ing point . Rapid descent from cold altitudes into warm moist air may pro-duce hoar frost on the aircraft.
hold /h.υld/ noun an area or compart-ment within the aircraft for carrying freight . Carry-on baggage is limited by regulations as to size and weight and items in excess of this should be stowed in the luggage hold. . verb 1. to keep and prevent from moving . The func-tion of the autopilot system is to hold the aircraft on a desired flight path by means of gyroscopes and/or accelerom-eters. . If the operating pressure falls or fails, a mechanical lock holds the reverser in the forward thrust position.
2. to keep an aircraft in a particular position on the ground or in the air while waiting for further clearance from air traffic control . It is normal practice for ATC to hold taxiing aircraft well clear of the glide path and localiser antenna when visibility is poor. 3. to have and keep in the hand . Hold the microphone in your right hand. . hand-held possible to hold in the hand .
Nowadays, headsets are usually used in preference to hand-held microphones.
4. to have (NOTE: holding – held) . he
holds an IMC rating he has an IMC
rating holder /h.υld./ noun 1. a device for holding something . a holder for a fire extinguisher 2. a person who has a par-ticular title or qualification . a holder of two awards for distinguished service
holding fuel /h.υld.. fju.l/ noun
extra fuel carried by an aircraft to allow for time spent in the hold waiting for air traffic control clearance
holding pattern noun a racetrack-shaped flight pattern with two parallel sides and two turns, flown usually while an aircraft is waiting for clearance to land

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