Lead Line

Definition

A traditional depth-sounding device — a weighted line lowered to the seabed to measure water depth and sample bottom material — still required as backup to echo sounder

Context for Indian Seafarers

Understanding Lead Line 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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