Last Updated:2025/11/22
(nautical, navigation) An estimated point in which the distance between two objects, of which at least one is in motion, will reach its minimum value; abbreviated CPA. The estimate is used to evaluate the risk of a collision of e.g. two ships.
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closest point of approach
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Source Word
closest point of approach
Noun
Japanese Meaning
(航海・航行上)推定最接近点。少なくとも一方が移動中である2つの物体間の距離が最小になると予測される点。CPA(Closest Point of Approach)の略称で、例えば2隻の船舶間の衝突リスク評価に使用される。
( plural )