Underwater operations in progress until further notice by M/V anadarko in 10-46.7S 040-57.2E
Mozambique Channel · HYDROPAC 476/11
What this record establishes
Archived notice · 2011-04-26 08:44Z
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) · NAVAREA VII 25/11 110947Z FEB 11.. Issued 2011-02-11 11:18Z. 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
- Mozambique Channel. The parsed report position is -10.778, 40.953. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Underwater operations 15 dec until further notice by M/V anadarko in 11-09.6S 040-48.0Ecancelled by this notice
- Cancel HYDROPAC 476/11 and this msglater cancellation notice
Current notices and reporting history in the Mozambique Channel →
- issued
- 2011-02-11 11:18Z
- status
- Archived notice
- authority
- NAVAREA VII 25/11 110947Z FEB 11.
- NAVAREA
- NAVAREA VII · named as the source of this relay
- sea
- Mozambique Channel
- position
- -10.778, 40.953
- vessel
- M/V ANADARKO · 5 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN INDIAN OCEAN. MOZAMBIQUE. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V ANADARKO IN 10-46.7S 040-57.2E. WIDE BERTH REQUESTED. 2. CANCEL HYDROPAC 2741/10.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Collected reports in this area · survey operations
8 within 180 nm since 2008 · 0 in the last 12 months · 0 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.
- Drilling operations in progress until further notice by M/V belford dolphin in: a. 11-56.6S 040-49.7E2012-12-06
- Underwater operations in progress until further notice by M/V anadarko and M/V belford dolphin along…2011-06-23
- Underwater operations in progress until further notice by M/V anadarko and M/V belford dolphin in 10-59.4S…2011-05-03
- Underwater operations 15 dec until further notice by M/V anadarko in 11-09.6S 040-48.0E2010-12-10
- Underwater operations in progress until further notice by M/V anadarko and M/V belford dolping in 10-45.7S…2010-08-24
- Survey operations in progress until further notice by M/V ridley thomas in 10-30S 041-40E2009-04-06
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
55 survey operations listed in force · see all
Record snapshot 2026-10-02 09:44Z; 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.