Oceanographic operations in progress until further notice by M/V puerto deseado in area bound by 37-01S…
South Atlantic Ocean · HYDROLANT 1624/03
What this record establishes
Archived notice · 2003-08-26 15:50Z
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 VI 321/03 251410Z AUG 03; MARISICILIA 321/03 250930Z AUG 03; NAVAREA III 628/03 251208Z AUG 03. Issued 2003-08-25 16:00Z. 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
- South 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
- Capo zafferano light 38-06.6N 013-32.5E unlitcancelled by this notice
- Oceanographic operations in progress until further notice by M/V vizconde de eza in area between 36-26N…cancelled by this notice
- Cancel HYDROLANT 1624/03(23,24)later cancellation notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2003-08-25 16:00Z
- status
- Archived notice
- authority
- NAVAREA VI 321/03 251410Z AUG 03; MARISICILIA 321/03 250930Z AUG 03; NAVAREA III 628/03 251208Z AUG 03
- NAVAREA
- NAVAREA VI · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -35.411, -53.547
- vessel
- M/V PUERTO DESEADO · 61 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. OCEANOGRAPHIC OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V PUERTO DESEADO IN AREA BOUND BY 37-01S 053-24W, 35-52S 055-56W, 33-48S 053-14W, 34-48S 051-23W. 2. CANCEL HYDROLANT 1539/03(53), AID RESTORED. 3. CANCEL HYDROLANT 1576/03(52).
Reading this warning
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
Collected reports in this area · survey operations
119 within 180 nm since 2000 · 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.
- Survey operations in progress until further notice by M/V pxgeo 2 towing ten 8100 meter long cables in area…2024-04-09
- Survey operations in progress until further notice by M/V pxgeo 2 towing ten 8100 meter long cabes in area…2024-03-13
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 16 and 17 apr along trackline…2017-04-16
- Survey operations 15 and 16 apr by M/V polarcus alima towing 12 8100 meter long cables along tracklines…2017-04-15
- Survey operations 14 thru 16 apr by M/V polarcus alima towing 12 8100 meter long cables along tracklines…2017-04-14
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 11 and 12 apr along trackline…2017-04-11
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
56 survey operations listed in force · see all
Record snapshot 2026-10-03 05:09Z; 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.