Occupants may feel a slight strain against seat belts or shoulder straps. Turbulence that causes slight, rapid and somewhat rhythmic bumpiness without appreciable changes in altitude or attitude. Turbulence that momentarily causes slight, erratic changes in altitude and/or attitude (pitch, roll, yaw). The runways point in the same direction but the difference allows pilots to know which runway to use.
As an example, the north runways pointed to the southwest at LAX are named 24 Left and Right, while the south runways are named 25 Left and Right. If there are four runways or more, the airport will change one of the runway numbers to help differentiate them. When there are three runways, they use the same process but include a “Center” designation. The 09 indicate they are pointed 090, due east, and the left and right identify the parallels. Two runways pointed east are named 09 Left and 09 Right. When there are two parallel runways pointing in the same direction, they are designated with the proper number and a left or right identifier. The opposite end of the runway is 17 or approximately 170 degrees magnetic. As an example, runway 35 is pointing approximately 350 degrees magnetic. Question: How do runways get their names? Answer: The runway number is the approximate magnetic heading. Trying to heat the entire airplane would require a very large amount of hot air and a very heavy mechanism therefore, it is not efficient. This gel is effective for only a limited time, requiring pilots to refer to tables to determine how long the period between de-icing and takeoff can be. Heated fluid knocks the ice off the airplane, then a thick gel is applied, so any ice or snow that falls will not stick to the airplane and will blow off during the takeoff roll. Consequently, ice must be completely removed from the airplane before takeoff.
On the ground, ice forms on the entire surface of the airplane, resulting in significant weight and the distortion of the airflow, which is potentially dangerous. Other parts of the airplane, such as the windshield and pitot tubes, are heated to prevent ice buildup.
What is the difference between these and, say, a windshield defroster, and why couldn't they be used in place of having wings sprayed with de-icing solution? Answer: Inflight de-icing equipment de-ices only the leading edges of the wings, propellers and sometimes the tail. Question: I believe aircraft have de-icing mechanisms.
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