Closest Point of Approach and Time to CPA Calculator

Closest Point of Approach and Time to CPA: a planned Super Calculator tool. Stub page: the tool, its formula and a worked example are not published yet.

Closest Point of Approach and Time to CPA Calculator is a planned calculator in the transport section of Super Calculator, covering navigation.

What this calculator will compute

Inputs: own course and speed, target course and speed and current range and bearing.

Formula, recorded as scope and not yet verified against a primary source: Relative motion vector between two vessels gives CPA range and TCPA.

Safety note: collision avoidance under the rules of the road.

Status

This page is a stub. The calculator is not built, no figure on this page has been verified against the authority that sets it, and nothing here should be used to make a decision. The page exists so that the site structure is complete and so that articles can link this concept on first mention.

The stub carries noindex, nofollow and is excluded from the sitemap.