air navigation protractor

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• Navigation — This article is about determination of position and direction on or above the surface of the earth. For other uses, see Navigation (disambiguation). Table of geography, hydrography, and navigation, from the 1728 Cyclopaedia. Navigation is the… …   Wikipedia

• Wind triangle — The wind triangle is a graphical representation of the relationship between aircraft motion and wind. It is used extensively in dead reckoning navigation.The wind triangle is a vector diagram, with three vectors.*The air vector represents the… …   Wikipedia

• Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …   Wikipedia

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• Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …   Wikipedia

• Map — For other uses, see Map (disambiguation). A map is a visual representation of an area a symbolic depiction highlighting relationships between elements of that space such as objects, regions, and themes. Many maps are static two dimensional,… …   Wikipedia

• Fell running — The start of a mountain running championship in Norway Fell running, also known as mountain running and hill running, is the sport of running and racing, off road, over upland country where the gradient climbed is a significant component of the… …   Wikipedia

• Australian Army Cadets — The Australian Army Cadets (AAC) is a youth organisation that is involved with progressive training of youths in military and adventurous activities. The programme has more than 19,000 Army Cadets between the ages of 12 1/2 and 18 based in 232… …   Wikipedia

• Mountain marathon — is an extended form of fell running, usually over two days and often with a strong orienteering element. Competitors usually participate in teams of two, and have to carry their own food and tent. There are various classes of event (such as, for… …   Wikipedia

• Army Cadet Force — The Army Cadet Force (ACF) is a British youth organisation that offers progressive training in a multitude of the subjects from military training to adventurous training (such as Outward Bound) and first aid, at the same time as promoting… …   Wikipedia