514.Concerning AP engagement, which of the following is true?

　Both APs can be engaged whatever the flight phase.

　During the approach phase ,it is recommended to engage the second AP.

　Both APs can never be engaged at the same time (last in, last engaged).

正确答案：B

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147.The control segment is composed of :

146.The satellite orbital planes have an inclination of:

145.How is the excessive deviation displayed on vertical scale ?

144.What is displayed in ROSE NAV mode when the ILS pushbutton is selected on the EFIS control panel ?

143.When does the ILS red flag appear ?

142.When does the lateral deviation scale flash ?

141.When do the G/S and LOC scales appear on the PFD ?

140.Where is ILS2 data displayed ?

139.Which ILS receiver provides the Ground Proximity Warning Computer with data ?

138.The TAT and SAT data is provided by :