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Dead Reckoning Position

Estimate DR position from a known fix, course, speed and time elapsed.

Capt. Rob StentVerified

MCA Yachtmaster Ocean, MNZ Coxswain (restricted)

Offshore sailing instructor and maritime educator with 30 years of blue-water passages. Author of coastal navigation guides for NZ waters.

Start latitude (decimal degrees, + = N)

Start longitude (decimal degrees, + = E)

True course (°)

Speed over ground (knots)

Elapsed time (hours)

Enter values above to see your result

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