Boeing 777

What is HYQUIM on Boeing 777? (Hydraulic Quantity Interface Module)

What is CIS on Boeing 777? (Cabin Interphone System)

What is ACARS on Boeing 777? (Arinc Communications Addressing And Reporting System)

What is SB on Boeing 777? (Service Bulletin)

What is LGHTNG on Boeing 777? (Lightning)

What is MCDU on Boeing 777? (Multipurpose Control And Display Unit)

What is DFDAU on Boeing 777? (Digital Flight Data Acquisition Unit)

What is DMU on Boeing 777? (Data Management Unit)

What is FMCS on Boeing 777? (Flight Management Computer System)