A Fixed Base Operator (also known as Fixed Base of Operation), or FBO, is a service center at an airport that may be a private enterprise or may be a department of the municipality that the airport serves. Their services may or may not include:

• Aircraft fueling and oil dispensing
• Aircraft parking, tie-down and hangar storage.
• Airframe, power plant and accessory service.
• Radio, avionics and instrument service.
• Air charter or aircraft rental.
• Flight training.
• Ground services, such as
  • Aircraft towing
  • Baggage handling
  • Glycol deicing
  • Power starts
  • Air Starts
  • Lavatory services
  • Potable water
  • Aircraft cleaning
  • Cabin supplies

Additionally the FBO may serve pilots, private plane owners, travelers and airlines with services such as rental cars, charters, lounges, catering, hotel reservations, weather briefing and flight planning services, and a wide variety of related and non-related services.

A comprehensive list of "FBO"'s serving U.S. airports, with their contact information and lists of services offered, is provided by AirNav at [1]

See also Airport, list of aviation topics