Boeing 737

What is SATCOM on Boeing 737? (Satellite Communications)

What is SCU on Boeing 737? (Seat Control Unit)

What is WEU on Boeing 737? (Warning Electronic Unit)

What is YSM on Boeing 737? (Yaw Damper/Stabilizer Trim Module)

What is PSA on Boeing 737? (Power Supply Assembly)

What is APID on Boeing 737? (Airplane Identification)

What is VES on Boeing 737? (Video Entertainment System)

What is PWS on Boeing 737? (Predictive Windshear System)

What is ASCPC on Boeing 737? (Air Supply Cabin Pressure Controller)