The jet-charter carrier Excelaire, based in Ronkonkoma, N.Y., has expanded its fleet with a Bombardier Global 6000 and a Cessna Citation CJ3. The ultralong-range Global 6000 can travel 6,000 miles without refueling and accommodates as many as 16 passengers. Its cabin includes Wi-Fi Internet access and seven seats that can be converted into flat beds. The Citation CJ3 is a light jet capable of ferrying seven passengers and can travel more than 2,000 miles, which is enough to fly from New York to Miami. These tw…