用語集
航空地理
大圏距離 (GCD: Great Circle Distance)
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定義
The shortest distance between two points on Earth, following the curvature of the globe
関連用語
方位 (Bearing)
The horizontal direction from one point to another, measured in degrees from true north
大圏航路 (GCR: Great Circle Route)
The shortest path between two points on the Earth's surface, commonly used in long-haul aviation
海里 (NM: Nautical Mile)
A unit of distance equal to one minute of latitude, approximately 1.852 km
Mentioned In
Frequently Asked Questions
What is 大圏距離 (GCD: Great Circle Distance)?
The shortest distance between two points on Earth, following the curvature of the globe
What does GCD stand for?
GCD stands for 大圏距離 (GCD: Great Circle Distance). The shortest distance between two points on Earth, following the curvature of the globe
How does 大圏距離 (GCD: Great Circle Distance) relate to other aviation concepts?
大圏距離 (GCD: Great Circle Distance) is closely related to Bearing and Great Circle Route, among other key aviation concepts.
もっと見る： 航空地理
方位 (Bearing)
大陸空域 (Continental Airspace)
協定世界時 (UTC: Coordinated Universal Time)
飛行通路 (Flight Corridor)
半球 (Hemisphere)
国際日付変更線 (IDL: International Date Line)
カンガルールート (Kangaroo Route)
ノット (kt: Knot)
緯度 (Latitude)
経度 (Longitude)
磁気偏差 (Magnetic Variation)
海里 (NM: Nautical Mile)
海洋空域 (Oceanic Airspace)
極地ルート (Polar Route)
法定マイル (SM: Statute Mile)
タイムゾーン (Time Zone)
大西洋横断ルート (Transatlantic Route)
太平洋横断航路 (Transpacific Route)
北回帰線 (Tropic of Cancer)