Boeing

What is A/T on Boeing 737? (Autothrottle)

What is EDP on Boeing 737? (Engine Driven Pump)

What is STAB on Boeing 737? (Stabilizer)

What is BTL DISCH on Boeing 737? (Bottle Discharge (Fire Extinguishers))

What is HMU on Boeing 737? (Hydromechanical Unit)

What is DAR on Boeing 737? (Digital Aids Recorder)

What is PYL on Boeing 737? (Pylon)

What is RVSG on Boeing 737? (Reversing)

What is COLL on Boeing 737? (Collision)