53.How many potable water quantity indicators are there ?

608.The post flight report can be transmitted to the ACARS NU:

607.In radio-communication mode,which signal determines if the VHF 3 transceiver is tuned by the ACARS MU or by the RMPs?

606.What is the purpose of the static dischargers?

605.How is a ground mechanic to flight crew call indicated in the cockpit?

604.Which action must be performed to talk through the flight interphone system?

603.How is a SELCAL call indicated in the cockpit?

602.How is the SELCAL CALL light reset?

601.When is the muting circuit operative?

600.Are the audio signals processed inside the ACPs?

599.What happens when CAPT 3 position is selected?