Cable ops

Seismic survey in progress until further notice by M/V geo caspian towing ten 9000 meter long cables in area…

Southern North Sea · England-east Coast · HYDROLANT 1711/11

issued
2011-10-18 08:09Z
status
cancelled 2011-10-20 05:31Z (archive)
cancels
HYDROLANT 1709/11
authority
NAVAREA I 287/11 180748Z OCT 11.
sea
North Sea
position
54.288, 1.264
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
ENGLAND-EAST COAST.
1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V GEO CASPIAN TOWING TEN 9000 METER
   LONG CABLES IN AREA BOUND BY
   54-20N 003-00E, 53-55N 002-45E,
   53-49N 000-34E, 54-45N 000-30W,
   54-45N 001-00E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1709/11.

This area · cable & pipeline work

471 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

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Season · when cable & pipeline work happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 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.