Surveys

Survey operations 01 mar thru 30 apr 22 by M/V thor freyja, M/V thor alpha, and M/V ramform tethys in area…

Western North Atlantic · Guyana · NAVAREA IV 211/22

issued: 2022-02-28 16:22Z
status: cancelled 2022-04-12 18:25Z (archive)
cancels: NAVAREA IV 101/22
authority: GUYANA OFFSHORE 64/22 281548Z FEB 22.
sea: North Atlantic Ocean
position: 9.507, -55.912
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
GUYANA.
1. SURVEY OPERATIONS 01 MAR THRU 30 APR 22 BY
   M/V THOR FREYJA, M/V THOR ALPHA,
   AND M/V RAMFORM TETHYS IN AREA BOUND BY
   A. 08-34.98N 057-15.56W, 08-34.99N 056-38.39W,
      07-39.06N 056-38.44W, 07-39.07N 057-15.52W,
   B. 11-19.07N 056-10.03W, 11-17.39N 055-37.45W,
      10-08.28N 055-49.82W, 09-59.55N 053-53.59W,
      09-22.98N 053-59.22W, 09-26.02N 055-57.74W,
      08-26.79N 056-13.48W, 08-26.91N 057-01.95W,
      09-46.10N 056-41.12W, 10-04.44N 056-23.40W.
   WIDE BERTH REQUESTED.
2. CANCEL NAVAREA IV 101/22.
3. CANCEL THIS MSG 01 MAY 22.

This area · survey operations

261 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

Guyana 1. survey operations in progress until 30 apr by M/V thor alpha, M/V thor freyja and M/V ramform…cancels · 2022-01-30
Guyana 1. survey operations in progress until 30 apr by M/V thor alpha, M/V thor freyja and M/V ramform…replaced · 2022-01-30
Survey operations in progress until 15 apr by M/V thor freyja, M/V thor alpha, and M/V ramform tethys in…cancelled by · 2022-04-12

Nearby now · within 120 nm

Pipeline operations in progress thru 31 dec 26 by the following vessels: c-confidence, c- installer,…Cable ops · 103.4 nm
Underwater operations in progress until further notice by M/V bourbon calm and M/V bourbon sapphire in areas…Surveys · 103.7 nm
Underwater operations in progress until 31 dec by vessel ocv normand navigator in area bound by 08-00.65N…Surveys · 104 nm
Underwater operations in progress until 31 dec 26 by osv aldemir souza tide in area bound by 08-15.96N…Surveys · 104.2 nm
Underwater operations in progress until 25 aug by M/V handin tide in area bound by 08-00.65N 056-59.52W,…Surveys · 104.7 nm
Pipeline operations in progress until 31 dec by M/V saipem constellation in area bound by 08-07.37N…Cable ops · 105.4 nm
Underwater operations in progress until 31 dec by M/V prinsengracht in area bound by 08-03.09N 056-46.88W,…Surveys · 105.5 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 · 110.4 nm
Survey operations in progress until 31 dec 26 by vessel bos princess in area bound by 08-09.73N 057-09.73W,…Surveys · 111.1 nm
Survey operations in progress until 31 dec 26 by M/V fugro brasilis in area bound by: 08-00.00N 057-09.90W,…Surveys · 113.6 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.