Narrow visibility navigation

Japanese: 狭視界航海 - きょうしかいこうかい
Narrow visibility navigation

…General navigation is further divided into three categories based on the characteristics of the sea areas seen in normal navigation: narrow channel navigation, coastal navigation, and ocean navigation. On the other hand, special navigation is divided into three categories based on the characteristics or phenomena of the sea areas not seen in normal navigation: reef navigation, polar sea navigation, rough sea navigation, and narrow visibility navigation. Below, we will provide an overview of these types of navigation, focusing on their characteristics. …

*Some of the terminology used to refer to "narrow visibility navigation" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…一般航海は,通常の航海に見られる海域の特徴によって,さらに区分けされ,狭水道航海,沿岸航海および大洋航海の三つから構成されている。一方,特殊航海は,通常の航海には見られない海域の特徴あるいは現象によって区分けされ,礁海航海,極海航海,荒天航海,狭視界航海などがある。これらの航海について,特徴を中心として,以下に概略を述べることとする。…

※「狭視界航海」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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