Definition
The predetermined position beyond which the vessel is committed to the entry, chosen where there is still sea room, adequate depth and a workable escape course. It is fixed during planning by reference to a transit, a clearing bearing, a radar range or a waypoint, and paired with a contingency anchorage or bolt hole offering shelter and holding. Criteria for aborting, such as marks not identified, visibility below a stated limit or engine failure, are agreed before the approach so the decision is not made under pressure.
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