Notices to Mariners (Efs)
The Etterretninger for sjøfarende (Efs) is published twice a month, and provides information on changes or defects in aids to navigation, discovery of new dangers and on shortcomings in Norwegian charts or publications, navigational warnings, gunnery exercises or other information of interest to mariners. In addition to temporary (T) and preliminary (P) notices in Norwegian waters.
Gunnery Exercises, Warnings and Miscellaneous Notices
Miscellaneous notices, warnings and gunnery exercises are published in the pdf edition of Efs every 14 days. For vessels subject to registration, the Norwegian Hydrographic Service recommend that mariners read these notices.
Gunnery exercises, warnings and miscellaneous notices will not appear in the search function "Find Notices to Mariners and tracings" within the web-site.
Rig List Download the rig list as a pdf and in KLM format
The table quantities shows positions for mobile units in the Barents Sea, the Norwegian Sea and the North Sea north of 55° N and east of 05° W. During moves/relocation all the rig's height are approximately 120 meters above the sea surface.
Changes are reported by e-mail to efs@kartverket.no.