Leading Marks (G.B.)
Alternative term: Range Marks (U.S.A.)
Navigation marks used as components of a leading-line or range.
Note: The German term Richtbaken applies only to unlighted leading marks. Where lights are used, the term Richtfeuer (2-5-245) applies.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM