Boeing 777

What is SPD on Boeing 777? (Speed)

What is TBV on Boeing 777? (Turbine Bypass Valve)

What is ELCU on Boeing 777? (Electrical Load Control Unit)

What is VOR on Boeing 777? (Vhf Omni Range)

What is MAWEA on Boeing 777? (Modularized Avionics And Warning Electronics Assy)

What is PDCU on Boeing 777? (Panel Data Concentrator Unit)

What is T/M on Boeing 777? (Torque Motor)

What is XPC on Boeing 777? (External Power Contactor)

What is WHCU on Boeing 777? (Window Heat Control Unit)