The first fully digital fly-by-wire flight control system in a civil airliner.
Fully glass cockpit rather than the hybrid versions found in aircraft such as the A310, Boeing 757 and Boeing 767.
The first narrowbody airliner with a significant amount of the structure made from composites.
The ECAM (Electronic Centralized Aircraft Monitoring) concept, which is included in all Airbus aircraft produced after the A320. This system constantly displays information concerning the aircraft's engines, as well as other key systems such as flight controls, pneumatics and hydraulics, to the pilots on the two LCD displays in the centre of the flightdeck.