clear astern stays clear

If a boat is approached from behind by another boat, she has a right to protect her lead.

RULE

Part 2 - When Boats Meet

Section A - Right of Way

Rule 12 - ON THE SAME TACK, NOT OVERLAPPED

When boats are on the same tack and not overlapped, a boat clear astern shall keep clear of a clear ahead.

Clear Astern Keeps Clear

PURPOSE

Protect the leading boat from approach from windward.