Vertical beam width
4-1-410
The beam width measured in a vertical plane.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
4-1-410
The beam width measured in a vertical plane.
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