This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Airbus showed off its A321-XLR -- a model that aims to straddle the medium and long-range segments -- at the Farnborough International Airshow in Britain. Boeing's safety troubles and the Airbus scramble to ramp up production should have left a gap for smaller rivals to challenge their domination of the commercial airliner marke ...