21.   The bus was operated by VecTour Inc., a charter company based in Blue Bell, Pa., that operates nationwide and uses the name Perkiomen Tours in Pennsylvania.

22.   The charter company that owns the planes, Transafric, has said that it spotted the wreck of the first plane and that it looked almost intact.

23.   The FAA, as the principal aviation regulator, inspects and certifies all charter companies.

24.   The Federal Aviation Administration, as the principal aviation regulator, inspects and certifies all charter companies.

25.   The two latest deals are follow-on rounds for FlightTime, an aircraft charter company, and Circles, a concierge service.

26.   There are lots of charter companies in the area.

27.   This experience taught Klinsky a few lessons he used in forming a charter school company.

28.   This is two to three inches more space that most regular airlines allow, and three or four more inches than many charter companies.

29.   Tour companies and cruise lines use various charter companies, so getting on a UPS flight is a matter of chance.

30.   Unlike some charter companies, UPS sells its drinks.