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World Aeronautical Charts (WACs) are a type of navigation chart designed for aerial navigation. Developed significantly during World War II, these charts were created using methods like aerial photography to map vast, previously unmapped areas of the Earth. WACs provide generalized information that has been useful for various purposes since the war. They typically use the Lambert conformal projection to accurately preserve angles, and they highlight features crucial for pilots, such as topography, obstruction heights, airports, and airways.12

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