Survey operation in progress until 31 dec by M/V thor magni, M/V sea horse 2 and M/V miss megan in area…
North Atlantic Ocean · NAVAREA IV 914/19
What this record establishes
Archived notice · 2019-11-03 15:59Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · GUYANA 89/19 161834Z OCT 19.. Issued 2019-10-16 19:33Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- North Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel NAVAREA IV 909/19, 914/19 and this msg, operations completedlater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2019-10-16 19:33Z
- status
- Archived notice
- authority
- GUYANA 89/19 161834Z OCT 19.
- NAVAREA
- NAVAREA IV
- issued by
- GUYANA
- sea
- North Atlantic Ocean
- position
- 8.042, -57.354
- vessels
- M/V MISS MEGAN · 11 messagesM/V SEA HORSE 2 · 2 messagesM/V THOR MAGNI · 18 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC.
GUYANA.
1. SURVEY OPERATION IN PROGRESS UNTIL 31 DEC BY
M/V THOR MAGNI, M/V SEA HORSE 2
AND M/V MISS MEGAN IN AREA BOUND BY:
A. 07-24.0N 056-35.0W, 08-37.5N 058-36.5W,
08-56.5N 058-27.0W, 07-39.0N 056-29.0W.
B. 07-26.3N 056-21.1W, 07-07.2N 056-30.7W,
07-15.5N 056-47.4W, 07-53.2N 056-29.9W,
07-46.2N 056-13.9W, 07-40.0N 056-15.2W,
07-26.3N 056-21.1W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 01 JAN 20.
Reading this warning
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · survey operations
292 within 180 nm since 2014 · 17 in the last 12 months · 13 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Survey operations in progress until 30 nov by M/V san jacinto II in areas bound by: a. 06-45.00N 055-00.00W,…2026-09-30
- Survey operations 27 sep thru 23 oct by tug dona jose II and M/V exxonmobil guyana limited in area bound by…2026-09-14
- Survey operations until 01 dec by M/V genesis in area bound by 07-15.96N 055-45.64W, 07-17.89N 055-45.22W,…2026-08-24
- Survey operations 01 sep thru 20 nov 26 by M/V hos ridgewind in area bound by 07-44.74N 056-13.99W,…2026-08-13
- Survey operations in progress until 31 dec by vessel aht DN87 and tug telesto in area bound by 07-03.06N…2026-07-20
- Underwater operations in progress until 31 dec by M/V prinsengracht in area bound by 08-03.09N 056-46.88W,…2026-06-24
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 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 · 22.9 nm
- Underwater operations in progress until 31 dec 26 by osv aldemir souza tide in area bound by 08-15.96N…Surveys · 23.3 nm
- Underwater operations in progress until further notice by M/V bourbon calm and M/V bourbon sapphire in areas…Surveys · 26.5 nm
- Pipeline operations in progress until 31 dec by M/V saipem constellation in area bound by 08-07.37N…Cable ops · 28.4 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 · 33.9 nm
- Pipeline operations in progress thru 31 dec 26 by the following vessels: c-confidence, c- installer,…Cable ops · 36 nm
- Survey operations in progress until 31 dec 26 by vessel bos princess in area bound by 08-09.73N 057-09.73W,…Surveys · 38 nm
- Underwater operations in progress until 31 dec by vessel ocv normand navigator in area bound by 08-00.65N…Surveys · 38.8 nm
- Underwater operations in progress until 31 dec by M/V prinsengracht in area bound by 08-03.09N 056-46.88W,…Surveys · 38.9 nm
- Survey operations in progress until 15 nov by M/V moonrise g in area bound by 07-50.19N 058-24.50W,…Surveys · 40 nm
- Survey operations in progress until 15 nov by M/V bgp prospector in area bound by 07-50.19N 058-24.50W,…Surveys · 40 nm
- Survey operations in progress until 16 nov by M/V sea horse II in area bound by 07-57.54N 058-27.64W,…Surveys · 47.9 nm
Worldwide in the collected sources
54 survey operations listed in force · see all
Record snapshot 2026-10-02 14:28Z; source collection times vary.
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.