Also known as: FF+, FF-, ff.
FF stands for various terms. Discover the full forms, meanings, and possible interpretations of FF across different fields and industries.
A flight for the purpose of returning an aircraft to base; delivering an aircraft from one location to another; moving an aircraft to and from a maintenance base. Ferry flights, under certain conditions, may be conducted under terms in a special flight permit. They do not carry revenue passengers.
Armed ForcesGovernmental & MilitaryRoyal MilitaryLast updated: