Design of the multi Navigation-use Triangle

概要

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As the progress of the modern navigation with many elaborate electronic nautical instruments, navigation officers on duty on board must be kept at those modern instruments, and yet the speed of ships are increasing as much as the number of ships increases, the concentration becomes more violent. In spite of according to those modern instruments, the final object of the navigation is to plot the positions of the ship on the chart, and that final process must be handy and simple as much as possible than ever before. Therefore some sort of available navigational computation which may be designed on the Navigational-use Triangle are laid out by authors. It may afford navigators saving the time and getting rid of complication of consulting various kinds of multiple tables and also be accurate enough for the navigational computation daily. As well as the simplification of the navigational computation partly, the scale for the simple navigation without nautical instrument is graduated and may give good kind of the safety navigation for small crafts.
社団法人日本航海学会の論文
1969-07-30