Complex sentence: The 2011 show was the 49th presentation, and hosts over international exhibitors in 28 international pavilions and has 150 aircraft, including the solar airplane Solar Impulse.
Split into simpler sentences: The 2011 show was the 49th presentation, and hosted over international exhibitors in 28 international pavilions. A total of 150 aircraft were on display, including the solar airplane Solar Impulse.