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Which navigational error grows as error accumulates in dead reckoning, despite a chronometer?

A)Estimated position diverges exponentially offshore
B)Celestial fix uncertainty becomes catastrophic
C)Gyrocompass deviation compounds over time
D)Tidal height prediction becomes unusable

💡 Explanation

Estimated position error increase because course and speed errors introduce position offset, compounded by inaccuracies in estimating and applying current set and drift; this error propagation mechanism makes estimated position diverge, therefore a chronometer can establish longitude but not compensate for other errors rather than correcting course estimations.

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