Boeing

What is R on Boeing 737? (Right)

What is FMCS on Boeing 737? (Flight Management Computer System)

What is SWL on Boeing 737? (Sidewall)

What is SOV on Boeing 737? (Shut-Off Valve)

What is CRKG on Boeing 737? (Cranking)

What is ADF on Boeing 737? (Automatic Direction Finder)

What is PA on Boeing 737? (Passenger Address)

What is XNT on Boeing 737? (Transient)

What is TR on Boeing 737? (Torque Receiver)