Meteorology for pilots pdf

This article is about the aerial sport of gliding. Gliding is a recreational activity and competitive air sport in which pilots fly unpowered aircraft known as gliders or sailplanes using naturally occurring currents of rising air in meteorology for pilots pdf atmosphere to remain airborne.


The word soaring is also used for the sport. Gliding as a sport began in the 1920s. Initially the objective was to increase the duration of flights but soon pilots attempted cross-country flights away from the place of launch. Improvements in aerodynamics and in the understanding of weather phenomena have allowed greater distances at higher average speeds.

Long distances are now flown using any of the main sources of rising air: ridge lift, thermals and lee waves. Some competitive pilots fly in races around pre-defined courses.

These gliding competitions test pilots’ abilities to make best use of local weather conditions as well as their flying skills. Local and national competitions are organized in many countries, and there are biennial World Gliding Championships. Techniques to maximize a glider’s speed around the day’s task in a competition have been developed, including the optimum speed to fly, navigation using GPS and the carrying of water ballast. If the weather deteriorates pilots are sometimes unable to complete a cross-country flight.

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