Surveys
Survey operation 01 thru 31 jan 22 by M/V thor freyja, M/V thor alpha, and M/V ramform tethys in area bound…
Western North Atlantic · NAVAREA IV 1178/21
- issued
- 2021-12-30 21:30Z
- status
- cancelled 2022-02-01 00:01Z (archive)
- authority
- GUYANA 24/22 301911Z DEC 21.
- sea
- North Atlantic Ocean
- position
- 8.878, -55.563
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. 1. SURVEY OPERATION 01 THRU 31 JAN 22 BY M/V THOR FREYJA, M/V THOR ALPHA, AND M/V RAMFORM TETHYS IN AREA BOUND BY 09-28.67N 056-00.43W, 09-28.67N 055-11.09W, 09-22.16N 055-06.69W, 08-52.84N 054-46.91W, 08-31.98N 054-46.92W, 08-31.98N 055-06.92W, 08-27.81N 055-06.92W, 08-21.31N 055-06.93W, 08-21.30N 056-19.99W, 08-21.29N 056-20.00W, 08-21.29N 056-22.57W, 08-27.81N 056-20.44W, 08-40.18N 056-16.38W, 09-05.03N 056-08.22W, 09-22.15N 056-02.57W, 09-28.67N 056-00.43W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 01 FEB 22.
This area · survey operations
275 within 180 nm since 2007 · 12 in the last 12 months · 13 in force now
07
10
15
20
25
26
- Underwater operations in progress until 31 dec by M/V prinsengracht in area bound by 08-03.09N 056-46.88W,…2026-06-24
- Survey operations in progress until 15 nov by M/V moonrise g in area bound by 07-50.19N 058-24.50W,…2026-06-23
- Survey operations in progress until 15 nov by M/V bgp prospector in area bound by 07-50.19N 058-24.50W,…2026-06-23
- Underwater operations in progress until 31 dec by vessel ocv normand navigator in area bound by 08-00.65N…2026-06-15
- Survey operations in progress until 16 nov by M/V seaquest in area bound by 07-57.54N 058-27.64W, 07-57.95N…2026-06-09
- Survey operations in progress until 16 nov by M/V sea horse II in area bound by 07-57.54N 058-27.64W,…2026-06-09
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Underwater operations in progress until 31 dec by vessel ocv normand navigator in area bound by 08-00.65N…Surveys · 87.3 nm
- Pipeline operations in progress thru 31 dec 26 by the following vessels: c-confidence, c- installer,…Cable ops · 88.2 nm
- Underwater operations in progress until 31 dec by M/V prinsengracht in area bound by 08-03.09N 056-46.88W,…Surveys · 88.5 nm
- Underwater operations in progress until further notice by M/V bourbon calm and M/V bourbon sapphire in areas…Surveys · 93 nm
- Pipeline operations in progress until 31 dec by M/V saipem constellation in area bound by 08-07.37N…Cable ops · 93 nm
- Survey operations in progress until 31 dec 26 by vessel bos princess in area bound by 08-09.73N 057-09.73W,…Surveys · 93.5 nm
- Underwater operations 01 jun thru 31 aug by M/V normand navigator in area bound by 07-28.00N 056-00.00W,…Surveys · 94.9 nm
- Underwater operations in progress until 31 dec 26 by osv aldemir souza tide in area bound by 08-15.96N…Surveys · 95.1 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 · 97.2 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 · 99 nm
- Underwater operations in progress until 25 aug by M/V handin tide in area bound by 08-00.65N 056-59.52W,…Surveys · 106.4 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.