Surveys

Survey operations in progress until further notice by M/V sw tasman and M/V sw emerald in area bound by…

North Sea · HYDROLANT 2938/19

issued: 2019-09-26 18:44Z
status: cancelled 2019-10-05 00:04Z (archive)
cancels: HYDROLANT 2774/19
authority: NAVAREA I 144/19 261737Z SEP 19.
sea: North Sea
position: 56.280, 3.381
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
DNC 21.
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V SW TASMAN AND M/V SW EMERALD
   IN AREA BOUND BY
   56-23N 003-08E, 56-26N 003-24E,
   56-11N 003-37E, 56-07N 003-23E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2774/19.

This area · survey operations

173 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until further notice by M/V sw tasman, M/V sw cook and M/V sw emerald in area…cancels · 2019-09-12
Survey operations in progress until further notice by M/V sw tasman, M/V sw cook and M/V sw emerald in area…replaced · 2019-09-12
Cancel HYDROLANT 2938/19 and this msg, operations completedcancelled by · 2019-10-05

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.