Surveys

Survey operations in progress until 15 apr by M/V thor freyja, M/V thor alpha, and M/V ramform tethys in…

Western North Atlantic · Guyana · NAVAREA IV 356/22

issued: 2022-04-12 18:25Z
status: cancelled 2022-04-16 00:01Z (archive)
cancels: NAVAREA IV 211/22
authority: GUYANA 76/22 121750Z APR 22.
sea: North Atlantic Ocean
position: 9.613, -55.880
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
GUYANA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 15 APR BY
   M/V THOR FREYJA, M/V THOR ALPHA,
   AND M/V RAMFORM TETHYS IN AREA BOUND BY
   10-45.00N 057-15.00W, 10-45.00N 053-52.00W,
   09-21.28N 053-50.92W, 09-21.45N 055-45.11W,
   09-00.03N 055-56.09W, 08-36.72N 056-03.75W,
   07-53.46N 056-12.31W, 07-51.15N 056-12.79W,
   07-39.00N 056-38.00W, 07-39.00N 057-15.00W.
   WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 211/22.
3. CANCEL THIS MSG 16 APR 22.

This area · survey operations

251 within 180 nm since 2014 · 12 in the last 12 months · 13 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations 01 mar thru 30 apr 22 by M/V thor freyja, M/V thor alpha, and M/V ramform tethys in area…cancels · 2022-02-28
Survey operations 01 mar thru 30 apr 22 by M/V thor freyja, M/V thor alpha, and M/V ramform tethys in area…replaced · 2022-02-28

Nearby now · within 120 nm

Pipeline operations in progress thru 31 dec 26 by the following vessels: c-confidence, c- installer,…Cable ops · 110 nm
Underwater operations in progress until further notice by M/V bourbon calm and M/V bourbon sapphire in areas…Surveys · 110.1 nm
Underwater operations in progress until 25 aug by M/V handin tide in area bound by 08-00.65N 056-59.52W,…Surveys · 110.2 nm
Underwater operations in progress until 31 dec 26 by osv aldemir souza tide in area bound by 08-15.96N…Surveys · 110.5 nm
Underwater operations in progress until 31 dec by vessel ocv normand navigator in area bound by 08-00.65N…Surveys · 110.6 nm
Pipeline operations in progress until 31 dec by M/V saipem constellation in area bound by 08-07.37N…Cable ops · 111.8 nm
Underwater operations in progress until 31 dec by M/V prinsengracht in area bound by 08-03.09N 056-46.88W,…Surveys · 112.1 nm
Underwater operations in progress until 31 dec by M/V c-worker 1 in area bound by 07-54.85N 057-06.47W,…Surveys · 116.8 nm
Survey operations in progress until 31 dec 26 by vessel bos princess in area bound by 08-09.73N 057-09.73W,…Surveys · 117.6 nm

Worldwide now

83 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.