Flightworthy is a term used to describe the condition of an aircraft or any other flying vehicle that is fit to be flown safely. Other words or phrases that can be used to convey the same meaning include airworthy, flight-ready, flyable, and flight-capable. These synonyms all suggest that the aircraft in question has undergone proper maintenance and checks to ensure that it meets the safety standards necessary before being allowed to take off. Other related words include ready for takeoff, ready to fly, and suitable for flight. Whatever the term used, it is always important to ensure that every aircraft is certified as flightworthy before taking to the skies.