A vertical take-off and landing (VTOL) aircraft is one that can take off and land vertically without relying on a runway.
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The nose wheel tiller is used until approximately 80 knots to keep the aircraft straight during takeoff, thereafter the rudder is used. During landing, the rudder is used until the aircraft is slowed to 80 knots, then the tiller is used once again.
The aircraft flares just before touching down.It descends with a constant velocity, and just before touching down pulls the nose up to reduce the descent. This results in a higher angle of attack, more lift, and a vertical deceleration of the airplane.
The most used is the Instrument Landing System or ILS. The ILS consists of two radio beams which project up from the area around the runway up into the approach path. These signals are then picked up in the aircraft by the ILS receiver which displays them on the screens in the flight deck.
During a belly landing, there is normally extensive damage to the airplane. Belly landings carry the risk that the aircraft may flip over, disintegrate, or catch fire if it lands too fast or too hard.
You are scared of all those “what ifs” which we encounter when we are nervous. There is more risk in a take-off than landing. The aircraft is heavy with fuel & has no speed or altitude, whereas, in landing the aircraft is light, has tons of speed & is already flying.
Aerodynamic altitude: If a commercial airliner flies too high, it will encounter less dense air passing over the wings to create lift. This can cause the plane to stall and fall out of control. Depending on the weather conditions and aircraft weight, this can occur anywhere between 40,000 and 45,000 feet.
Since these portions are behind the center of pressure, the overall lift force moves forward, pitching the nose of the aircraft upwards. This leads to a higher angle of attack and causes more of the wing to stall, which exacerbates the problem.