Dead Reckoning

Definition

A navigation method of estimating current position based on last known position, speed, course, and elapsed time — used when GPS is unavailable

Context for Indian Seafarers

Understanding Dead Reckoning is essential for DG Shipping examinations and practical shipboard operations. This term appears in MEO Class 4 oral exams, 2nd Mate FG assessments, and Function-wise competency tests.

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