593.In normal operation,are the navigation systems controlled by RMP1 ?

68.The Electronic Control Box has :

67.Which component controls and monitors the APU ?

66.What is the main function of the APU ?

65.What are the functions of the VSC ?

64.The water valve and the flush valve are monitored by :

63.The whole toilet system is monitored by :

62.Where is the waste quantity displayed ?

61.How many toilet service panels are fitted on the aircraft ?

60.When does the vacuum generator operate ?

59.How is the waste transported to the waste holding tank ?