This users was created to be used exclusively for the import of marine lights and sea marks.

A brief description of the import is found in the OSM Wiki at
http://wiki.openstreetmap.org/wiki/Openseamap/List_of_Lights_Import

The tagging scheme used for this import is the standard OpenSeamap scheme which is also described in the wiki. Please find some entry links below.

http://wiki.openstreetmap.org/wiki/OpenSeaMap/Lights_Data_Model
http://wiki.openstreetmap.org/wiki/Key:seamark:type
http://wiki.openstreetmap.org/wiki/Key:seamark:fixme

Please feel free to contact us directly using email or on the openseamap-dev mailing list.