Cable ops

Seismic survey in progress until further notice by M/V ramform viking towing 12 6500 meter long cables in…

North Sea · HYDROLANT 849/11

issued: 2011-05-19 21:19Z
status: cancelled 2011-06-14 10:21Z (archive)
cancels: HYDROLANT 785/11
authority: NAVAREA I 130/11 191926Z MAY 11.
sea: North Sea
position: 58.464, -0.661
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V RAMFORM VIKING TOWING 12 6500 METER LONG
   CABLES IN AREA BOUND BY
   58-47.5N 000-12.5W, 58-37.0N 000-20.5W,
   58-12.8N 000-36.5W, 58-23.5N 001-09.0W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 785/11.

This area · cable & pipeline work

236 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

Season · when cable & pipeline work happen here

month of issue, all years in the archive

Timeline

Seismic survey in progress until further notice by M/V ramford viking towing 12 6500 meter long cables in…cancels · 2011-05-09
Seismic survey in progress until further notice by M/V ramford viking towing 12 6500 meter long cables in…replaced · 2011-05-09
Cancel HYDROLANT 849/11 and this msg, survey completedcancelled by · 2011-06-14

Nearby now · within 120 nm

Noup head light 59-19.90N 003-04.20W range reduced to 12 milesNav aids · 91.1 nm
Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 105.8 nm

Worldwide now

40 cable & pipeline work in force · see all

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.