REQUIRED COURSE • FREE-TRANSLATOR.COM • Definition of Required course

... breakfast-table that morning, that the journey northward should be prosecuted, as far as possible, upon the surface of the sea; and the Flying Fish was accordingly put in motion on the required course immediately upon her descent. Their rate of progress was particularly slow, not exceeding, on the average, a speed of six miles per hour, as drift ice was remarkably abundant, mostly in small detached blocks, though they ...

— The Log of the Flying Fish - A Story of Aerial and Submarine Peril and Adventure • Harry Collingwood