51.How many potable water service and drain panels are fitted to the aircraft ?

610.What is the purpose of the CVR ?

609.”ACARS MSG” on the upper ECAM display unit indicates:

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?