Airbus

What is PBD on Airbus A320? (Place/Bearing/Distance Waypoint)

What is ACP on Airbus A320? (Audio Control Panel)

What is VNAV on Airbus A320? (Vertical Navigation)

What is SC on Airbus A320? (Single Chime)

What is TK on Airbus A320? (Tank, Track Angle)

What is MECH on Airbus A320? (Mechanic)

What is MLS on Airbus A320? (Microwave Landing System)

What is LIS on Airbus A320? (Localizer Internal Smoothing)

What is WTB on Airbus A320? (Wing Tip Brake)