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航空機の速度記録
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Wikipedia definition
1. Flight airspeed record​An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI), which also ratifies any claims. Speed records are divided into multiple classes with sub-divisions. There are three classes of aircraft: landplanes, seaplanes and amphibians; then within these classes, there are records for aircraft in a number of weight categories.
Read “Flight airspeed record” on English Wikipedia
Read “航空機の速度記録” on Japanese Wikipedia
Read “Flight airspeed record” on DBpedia

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