> > I suspect that either seamark:light:range or seamark:type tag is wrong > there - but maybe my understanding of seamark:type=light_major/minor is > wrong? >
I think it's one of those things that don't have a firm definition? Did some checking & found: "All lighted aids to navigation are either *major* or *minor lights*, where major lights are used for key navigational points along sea-coasts, channels and harbour and river entrances. These lights are normally placed in lightships, lighthouses and other permanently installed structures, providing both high intensity and high reliability of the lights. Major lights are then subdivided in *primary lights* (very strong, long range lights used for the purpose of making landfalls or coastal passages) and *secondary lights* (shorter range lights found for example at harbour and river entrances). Important details of (especially) primary lights can be found in a reference called *the Light List* where information (about pedestals etc.) can be found which is not included in the chart. Minor lights on the other hand are likely to be found within harbours, along channels and rivers. These have a low to moderate intensity and sometimes mark isolated dangers." or " *Major light*: A light of high intensity and reliability exhibited from a fixed structure (lighthouse) or on marine site (except range lights). Major lights include primary sea-coast and secondary lights. - *Minor light*: An automatic unmanned light on a fixed structure usually showing low to moderate intensity. Minor lights are established in harbours, along channels, along rivers, and in isolated dangers. So, by that, if it's in a lighthouse it should be a major, long-range, light.
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