cruising radius

noun

the maximum distance that an aircraft or ship can traverse and then return to its starting point at cruising speed without refueling.

First recorded in 1925–30

He could not possibly reach any outpost of civilization in the torpoon, for her cruising radius was only twenty hours.

Further, it is capable of use in such a way as to add immensely to the cruising radius of submarines.

The 72-footers develop a speed of twenty-eight knots and have a cruising radius exceeding 1200 miles.

We had not been within the cruising radius more than four hours before the long-silent; cry of "Blo-o-o-w!"

When below surface she was a sealed tube of metal one hundred feet long, and possessed of an enormous cruising radius.

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