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The following guidelines are advised by Boeing for a crosswind landing. These guidelines assume steady wind (no gusting). These winds are measured at 10 metres (33 ft) tower height for a runway 45 metres (148 ft) in width. Basically, there are three landing techniques which may be used to correct for cross winds: de-crab, crab, and sideslip.
A flight path parallel to and in the direction of the landing runway. It is offset from the runway and opposite the downwind leg. Crosswind leg. A short climbing flight path at right angles to the departure end of the runway. Downwind leg. A long level flight path parallel to but in the opposite direction of the landing runway.
For example, a 10 knot wind coming at 45 degrees from either side will have a crosswind component of 10 knots × sin(45°) and a head/tailwind component of 10 knots × cos(45°), both equals to 7.07 knots. Pilots can use a use a crosswind component chart to calculate the headwind component and the crosswind component.
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Normal landings [4] Crosswind landings - where a significant wind not aligned with the landing area is a factor [4] Short field landings - where the length of the landing area is a limiting factor [4] Soft and unprepared field landings - where the landing area is wet, soft or has ground obstacles such as furrows or ruts to contend with [4]
The sideslip method for crosswind landings is not suitable for long-winged and low-sitting aircraft such as gliders, where instead a crab angle (heading into the wind) is maintained until a moment before touchdown. Aircraft manufacturer Airbus recommends sideslip approach only in low crosswind conditions. [7]
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Airport layout of Kuala Lumpur Airport, a typical airport with triple parallel landing capabilities. Triple takeoff/landing capabilities are a necessity for many large airports as it allows many aircraft to arrive and depart in a short amount of time. Each country sets its own standards for the separation between runways required for parallel ...