Surveys

Survey operations in progress until further notice by M/V geosurveyor XI in area between 51-19N 51-18N and…

North Sea · Dover Strait · England · HYDROLANT 2307/17

issued: 2017-07-25 23:13Z
status: cancelled 2017-07-27 00:46Z (archive)
authority: WZ 889/17 252240Z JUL 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
DOVER STRAIT.
ENGLAND.
DNC 20.
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V GEOSURVEYOR XI IN AREA BETWEEN
51-19N 51-18N AND 001-25E 002-13E.
WIDE BERTH REQUESTED.

Timeline

Cancel HYDROLANT 2307/17 and this msgcancelled by · 2017-07-27

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.