Surveys

Underwater operations in progress until further notice by M/V atlantic explorer with submersible vicinity:…

Southern North Sea · HYDROLANT 558/15

issued: 2015-03-07 17:03Z
status: cancelled 2015-03-11 16:32Z (archive)
cancels: HYDROLANT 543/15
authority: NAVAREA I 56/15 071620Z MAR 15 - SHGA 07 MAR 15.
sea: North Sea
position: 53.007, 2.662
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
DNC 20, DNC 21.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V ATLANTIC EXPLORER WITH SUBMERSIBLE
   VICINITY:
   A. 52-59.8N 002-41.0E.
   B. 53-00.5N 002-39.9E.
   C. 53-00.9N 002-38.3E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 543/15(24).

This area · survey operations

483 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

F/V alexandra adrift vicinity 09-53N 053-53W at 061500Z marcancels · 2015-03-06
F/V alexandra adrift vicinity 09-53N 053-53W at 061500Z marreplaced · 2015-03-06
Cancel HYDROLANT 558/15 and this msg, operations completedcancelled by · 2015-03-11

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.