A Fixed-Base Operator (FBO) is a service provider at an airport that offers various support services for general aviation aircraft. These services typically include fueling, hangaring, maintenance, and flight planning assistance. FBOs cater to private pilots, charter companies, and corporate flight departments, ensuring that aircraft are ready for flight and well-maintained. FBOs often provide amenities for passengers and crew, such as lounges, conference rooms, and transportation services. They play a crucial role in the aviation industry by facilitating the efficient operation of non-commercial flights, contributing to the overall functionality of airports.