dead reckoning

English

Alternative forms

• ded reckoning

Etymology

Uncertain. Not short for deduced or deductive, but this belief explains the alternative spelling ded reckoning (which actually originated centuries later).

Pronunciation

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Noun

dead reckoning (countable and uncountable, plural dead reckonings)

1. A method of estimating the position of a ship or aircraft by applying estimates of the distance and direction travelled from a previously known position. In respect to ships/boats, it excludes the effect of wind and current on the vessel. Compare with estimated position. Abbreviation: DR

Translations

method of estimating the position of a ship or aircraft

• Dutch: gegist bestek
• Finnish: merkintälasku
• French: navigation à l’estime
• Greek: νεκρός απολογισμός m (nekrós apologismós)
• Polish: nawigacja zliczeniowa f
• Portuguese: navegação estimada f
• Spanish: estima (es) f
• Swedish: död räkning c