Nautical Term: TCPA
Definition of TCPA
The term ‘Time to Closest Point of Approach’ (TCPA) refers to the time it takes for a vessel to reach the Closest Point of Approach (CPA) to another vessel. This is crucial information for determining the safest overtaking or crossing situation between two vessels. For instance, in a situation where two vessels are approaching each other head-on, the TCPA would be calculated to determine the time available for each vessel to take evasive action if necessary to avoid a collision.
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