555.If no company route exists in the data base for your flight, what must be done INIT page A?

　Insert the LAT and LONG values of your present position and the destination identifiers in the TO box.

　Give the origin and destination identifiers in the FROM/TO boxes.

　Insert the origin identifier in the FROM box and the LAT and LONG values of your destination.

正确答案：B

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106.The pressure valve is used to discharge the collector holding tanks :

105.Which fluids can be discharged through the drains ?

104.Where are the drains located ?

103.A starter valve access panel is provided for manual operation :

102.An oil tank access is provided for servicing :

101.How is the thrust rating defined on the CFM56-5B ?

100.To which temperature is the engine flat rated ?

99.When is the electro manual selector valve supplied ?

98.When does the residual cabin pressure red light come on ?

97.What is the purpose of the spring loaded blocking piston in the manual selector valve ?