A short take-off and vertical landing aircraft is a fixed-wing aircraft that is able to take off from a short runway and land vertically. The formal NATO definition is:A Short Take-Off and Vertical Landing aircraft is a fixed-wing aircraft capable of clearing a 15 m obstacle within 450 m of commencing take-off run, and capable of landing vertically.
A Sea Harrier launches from the flight deck of HMS Illustrious in 2001
Takeoff is the phase of flight in which an aerospace vehicle leaves the ground and becomes airborne. For aircraft traveling vertically, this is known as liftoff.
An F/A-18 taking off from an aircraft carrier
An Embraer E-175 taking off
Three airliners taking off simultaneously (note similar pitch attitudes)
A Boeing 737-800 retracting its undercarriages during takeoff