Air starter units:
These units are used to help start the engine of an airplane by releasing the required amount of air. These units are equipped with internal combustion engines. Air starter unit and aircraft are connected by means of a hose. Eventually, without air starter units, planes would not get sufficient combustion boost to start.
Belt loader is a vehicle that is equipped with one or more moveable belts. The vehicle is placed under the airplane door, and the belt is elevated in a diagonal position in such a way that cargo and baggage can be placed onto it from the ground and the belt rolls it up to the airplane.
It is actually a ramp service, an airport procedure during which an aircraft is pushed backwards from an airport gate other than under its own power. If the aircraft were moved backwards on the ground using backward thrust, the resulting prop wash or jet blast might cause damage to the terminal equipment or building and people working nearby. Pushback tractors are also used to move the aircraft away from the gate.
This is done by spraying pre-heated anti-ice fluids on the aircraft's surface through the use of de-icers. These fluids interfere with the bond between the aircraft's surface and the frozen water or snow. Usually, de-icers are contained in a container truck that holds the fluids. The solution is composed of propylene glycol that decreases the crystallization point of water. Not only these sprayers remove any existing ice, but also they apply a thin layer of the fluid as a deterrent for further build-up for a long period of time to allow for safe take-off.
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