Medium to long range widebody airliner. The A310 first began life as the A300B10, one of a number of projected developments and derivatives of Airbus' original A300B airliner. While based on the larger A300, the A310 introduced a number of major changes. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.