English version

dead reckoning

From Longman Dictionary of Contemporary English
Related topics: Transport
dead reckoningˌdead ˈreckoning noun [uncountable]  TTcalculating the position of a ship or aircraft without using the sun, moon, or stars
Examples from the Corpus
dead reckoningMost of our navigation was pure pilotage and dead reckoning over unfamiliar, sometimes hostile territory and some very bad weather.
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