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In the event of GPS failure, how can FMS position updating be accomplished?

(True or False) The cowl anti-ice valve for an engine can only be opened if the respective engine bleed valve is open.

Which of the following combination of variables would the FMC use to compute aircraft performance?

How many ILS receivers are installed on the B737?

During flight, what might cause an amber “COWL ANTI-ICE” annunciation on the overhead panel?

During a VNAV descent on a STAR, the crew notices the message “DRAG REQUIRED”. What is a possible cause of this message?

Under what conditions can both autopilots be used?

An amber indication “TAI” appears above the right engine N1 gauge on the upper DU. What does this indicate?

The crew is attempting a takeoff during -SN conditions. During the takeoff roll, the wing anti-ice shuts off and the switch trips OFF just after takeoff. Which of the following is correct?

During an Autoland, the autothrottles disengage _____ seconds after landing.