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Two intermeshing spur gears rotating at different velocity due to differing gear ratio. A gear [1] [2] or gearwheel [3] [4] [5] is a rotating machine part typically used to transmit rotational motion and/or torque by means of a series of teeth that engage with compatible teeth of another gear or other part.
Aviation weather briefing service [6] Available at designated FSS's AWG American Wire Gage: The larger the size number, the smaller the wire diameter. AWIS Aviation weather information service [6] Available at FSS: AWO All weather operations AWOS Automated weather observation system [6] Automated METAR reporting system AWWS Aviation weather web ...
Landing gear – is the undercarriage of an aircraft or spacecraft and may be used for either takeoff or landing. For aircraft it is generally needed for both. Also, for aircraft, the landing gear supports the craft when it is not flying, allowing it to take off, land, and taxi without damage.
A cyclist steering a bicycle by turning the handlebar and leaning. Steering is the control of the direction of motion [1] or the components that enable its control. [2] Steering is achieved through various arrangements, among them ailerons for airplanes, rudders for boats, cylic tilting of rotors for helicopters, [3] and many more.
Pushback tugs can also be used to pull aircraft in various situations, such as to a hangar. Different size tugs are required for different size aircraft. Some tugs use a tow-bar as a connection between the tug and the aircraft, while other tugs lift the nose gear off the ground to make it easier to tow or push.
Icelandair Boeing 757 being serviced by another airline; SAS at Gardermoen Airport A ground-handling tug pulls a British Airways Boeing 747-400 at Heathrow Airport, England Airbus A380-800 operated by Qatar Airways on apron outside Heathrow Terminal 4 with a wide range of ground handling equipments around such as aircraft container, pallet loader, ULD, jet air starter, belt loader, pushback ...
Aviation includes the activities surrounding mechanical flight and the aircraft industry. Aircraft includes fixed-wing and rotary-wing types, morphable wings, wing-less lifting bodies, as well as lighter-than-air aircraft such as hot air balloons and airships .
ICAO and aviation authorities such as the Federal Aviation Administration (FAA) were spurred into action by the 1956 Grand Canyon mid-air collision. [2] Although ATCRBS airborne transponders were available, it was not until the mid-1970s that research focused on using their signals as the cooperative element for a collision avoidance system ...