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FAR (Federal Aviation Regulations)
The rules prescribed by the FAA governing all aviation activities in the United States. Key parts include Part 61 (pilot certification), Part 91 (general operating rules), Part 141 (flight school certification), and Part 135 (commuter and on-demand operations).
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- FBO (Fixed Base Operator)A commercial business at an airport that provides aviation services such as fuel, hangar space, aircraft parking, flight training, aircraft rental, and maintenance. FBOs serve as the primary service provider at most general aviation airports.
- Final ApproachThe last segment of an instrument or visual approach procedure in which the aircraft is aligned with the runway and descending for landing. During instrument approaches, the final approach begins at the final approach fix (FAF).
- FlapsHinged surfaces on the trailing edge of the wing that increase both lift and drag when extended. Flaps allow the aircraft to fly at slower speeds during approach and landing, and enable shorter takeoff rolls. Common types include plain, split, slotted, and Fowler flaps.
- FOI (Fundamentals of Instruction)The body of knowledge covering the learning process, teaching methods, assessment techniques, and human behavior that flight instructor candidates must master. The FOI written test is required for all initial CFI applicants.