Position line (2)

4-4-010

Alternative term: Line of position

A line (geometrical locus), defined by a constant measured value, on which a vessel may be identified on the basis of a measurement.

Note: There are terrestrial, astronomical and radio position lines.

Note: Also defined in 1-2-075

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English