Brazil-east Coast
South Atlantic Ocean · HYDROLANT 1522/12
What this record establishes
Archived notice · 2012-07-13 11:15Z
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 V 269/12 072324Z JUL.. Issued 2012-07-09 21:39Z. 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 parsed report position is -15.988, -37.944. 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
- Cancel HYDROLANT 1522/12(24)later cancellation notice
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2012-07-09 21:39Z
- status
- Archived notice
- authority
- NAVAREA V 269/12 072324Z JUL.
- NAVAREA
- NAVAREA V · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -15.988, -37.944
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. CHART 24190 SCIENTIFIC MOORING, TOP FLOAT 500 METERS, ESTABLISHED IN 15-59.29S 037-56.61W.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Scientific mooring
- Instruments anchored to the seabed and held up by floats, sometimes just below the surface, left for months to measure the ocean.
- 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.
Collected reports in this area · survey operations
11 within 180 nm since 2001 · 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.
- Underwater operations 311100Z mar to 022000Z apr by M/V bartira II and M/V mapele I in 13-26.53S 038-38.80W2022-03-31
- Survey operations in progress until 250259Z aug by M/V ridley thomas in area bound by 03-43.63S 038-15.43W,…2015-06-04
- Sesimic survey in progress until 05 sep by M/V hawk explorer towing 6.5 mile long cables in area bound by…2012-09-04
- Underwater operations in progress until 031500Z dec by M/V acergy harrier vicinity 13-29.37S 038-46.72W2010-11-27
- Underwater operations in progress until 200300Z oct by M/V toisa sentinel within 500 meters of 13-29.37S…2010-10-13
- Hydrographic survey in progress until 29 jul by M/V sea surveyor in area bound by 19-05.45S 038-51.48W,…2009-07-23
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 04:21Z; 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.