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飞行员与空管人员词汇词典 GLOSSARY FOR PILOTS AND ATC

时间:2011-08-28 15:32来源:蓝天飞行翻译 作者:航空 点击:


selective calling system A system that provides an automatic and selective method of calling any aircraft. Voice calling is replaced by the transmission of code tones to the aircraft over the international radiotelephony channels. This system is installed on all international frequencies at Canadian stations. 
. abbreviation: SELCAL
Fr: système d’appel sélectif
separation
The spacing between aircraft, altitudes, or tracks.
Fr: espacement
separation minimum
The least allowable amount of lateral, longitudinal, or vertical separation to be applied.
Fr: minimum d’espacement
severe icing An atmospheric condition in which the rate of ice accumulation is such that de-icing or anti-icing equipment cannot reduce or control the hazard.
. see also: light icing and moderate icing
Fr: givrage fort
severe turbulence Turbulence that causes large, abrupt changes in altitude or attitude. It usually causes large variations in indicated airspeed (IAS). Aircraft may be momentarily out of control.
. see also: light turbulence and moderate turbulence
Fr: turbulence forte
severe weather forecast alert U.S.: Preliminary messages issued in order to alert users that a severe weather watch bulletin (WW) is being issued. These messages define areas of possible severe thunderstorms or tornado activity.
. abbreviation: AWW
SFO Abbreviation for: simulated flameout Fr: SFO
SHF Abbreviation for: super high frequency Fr: SHF
shock wave A region of abrupt change in pressure and density moving ahead of the aircraft as a wave front at or above the speed of sound. Fr: onde de choc
short-range clearance U.S.: A clearance issued to a departing IFR flight which authorizes IFR flight to a specific fix short of the destination while ATC facilities are coordinating and obtaining the complete clearance. Note: This procedure is not used in Canada.
short takeoff and landing aircraft An aircraft that, at some weight within its approved operating weight, is capable of operating from a STOL runway in compliance with the applicable STOL characteristics and airworthiness, operations, noise, and pollution standards.
. also called: STOL aircraft
Fr: aéronef à décollage et atterrissage courts
show line Other expression for: flight line (2)
shuttle procedure
A manoeuvre involving a descent or a climb in a pattern resembling a holding pattern.
Fr: procédure de navette
SID Abbreviation for: standard instrument departure Fr: SID
sidestep maneuver U.S.: A visual maneuver accomplished by a pilot at the completion of an instrument approach to permit a straight-in landing on a parallel runway not more than 1200 ft to either side of the runway to which the instrument approach was conducted.
SIGMET Abbreviation for: significant meteorological information Fr: SIGMET
significant meteorological information Meteorological information issued concerning weather significant to the safety of aircraft. SIGMET advisories include the following:
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