更多"[单选题]The positioning precision of r"的相关试题:
[单选题]The positioning precision of terminal area radar (within 37km) is _______ km.
A.1.8
B.2.0
C.2.4
D.1.6
[单选题]“Radar route” is a flight path or route over which an aircraft is _______ .
A.flying
B.passing
C.vectored
D.controlled
[单选题]When control of the aircraft is assumed by the radar controller in charge of the precision approach, a communications check shall be made on the channel to be used during the precision approach and the pilot shall be advised that _______ of transmission is required.
A.no further acknowledgement
B.read back
C.clearance
D.monitor
[单选题]Over mountainous region and plateau area the safe altitude along air route is _______ m,above the highest elevation within 25KM on each side of the centre line of the air route.
A.1000
B.600
C.300
D.400
[单选题]Missed approach instructions from radar controller should contain _______ so as to retain the aircraft within the missed approach area during the missed approach procedure.
A.runway number and tower frequency
B.the altitude to which the aircraft is to climb and heading
C.MAD and distance from touchdown
D.the navaid or fix where the aircraft is to proceed and the fight level/altitude
[单选题]The maximum width of an air route within the territory of the People’s Republic of China is _______ km and the minimum width is 8KM.
A.10
B.20
C.25
D.50
[单选题]The “blips” of light on the radar screen are called raw radar _______ .
A.signals
B.transmission
C.pulses
D.returns
[单选题]Radar controllers conducting radar approaches shall be _______ information regarding the obstacle clearance altitudes/heights established for the types of approach to be conducted.
A.be in possession of
B.know
C.get
D.take
[单选题]_______ radar service,the radar controller should inform the pilot that he should resume normal navigation, and give him his position and appropriate instructions.
A.When terminating
B.When providing
C.To determine
D.To exercise
[单项选择]The installation of radar is supposed to keep track of airlines in the __________.
A. velocity
B. proximity
C. terrain
D. vicinity
[单选题]_______ radar vectoring of an aircraft, the radar controller should inform the pilot that he should resume his own navigation, giving him his position and appropriate instructions.
A.In terminating
B.To provide
C.To commence
D.To determine
[单选题]If the radar receiver detects the retarding time tR=500(S between transmitting pulse and receiving pulse, now the target is _______ km from the radar station.
A.150
B.120
C.100
D.75
[单选题]The _______ shall be responsible for adjusting the radar display(s) and for carrying out adequate checks on the accuracy thereof, in accordance with the technical instructions prescribed by the appropriate authority for the radar equipment concerned.
A.ramp commander
B.mechanics
C.radar controller
D.AIS officer
[单选题]_______ change should be made by a radar controller to a clearance issued by a non-radar controller without the prior approval of the latter, except when special procedures are in effect, or when circumstances necessitate immediate action.
A.No significant
B.Only a little
C.A few
D.Permitted
[单选题]_______ is a route assigned to pilot when any part of an airway or route is unusable because of NAVAID status.
A.New route
B.Substitute route
C.Old route
D.Planned route
[单选题]Which secondary radar code below is right?
A.1309
B.2537
C.8824
D.5690
[单选题]What are the methods to transfer radar identification?
A.Physical
B.Automate
C.Landline
D.All above
[单选题]How soon is Route Availability Document (RAD) published?
A.Every Week
B.Every Month
C.Every 28 Days
D.Every Year
[单项选择]Radar is used to extend the（）of man's senses for observing his environment, especially the sense of vision.
A. validity
B. liability
C. capacity
D. intensity
