Surveys

Underwater operations in progress until further notice by M/V gerardus mercator in area between 51-20N…

North Sea · England · HYDROLANT 2176/17

issued: 2017-07-14 07:54Z
status: cancelled 2017-08-14 11:23Z (archive)
authority: WZ 831/17 140540Z JUL 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
ENGLAND.
DNC 20.
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V GERARDUS MERCATOR IN AREA BETWEEN
51-20N 51-19N AND 002-12E 001-45E.
WIDE BERTH REQUESTED.

Timeline

Cancel HYDROLANT 2176/17, 2453/17 and this msg, operations completedcancelled by · 2017-08-14

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 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.