Boeinger

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

What is TRK on Boeing 737? (Track)

What is SG on Boeing 777? (Symbol Generator)

What is HLCU on Boeing 737? (High Lift Control Unit)

What is EFCU on Boeing 777? (Elevator Feel And Centering Unit)

What is AUTO on Boeing 737? (Automatic)

What is OVRD on Boeing 737? (Override)

What is ADP on Boeing 777? (Air Driven Pump)

What is LPT on Boeing 737? (Low Pressure Turbine)

What is PCH on Boeing 777? (Patch)