Boeing

What is OPAS on Boeing 777? (Overhead Panel System)

What is MAG on Boeing 737? (Magnetic)

What is WEU on Boeing 777? (Warning Electronic Unit)

What is CB on Boeing 737? (Circuit Breaker)

What is BIT on Boeing 777? (Built-In-Test)

What is ADP on Boeing 737? (Air Driven Pump)

What is ELEC on Boeing 737? (Electrical)

What is DFDR on Boeing 737? (Digital Flight Data Recorder)

What is TCC on Boeing 777? (Turbine Case Cooling)