Seismic survey in progress until 280259Z jul by M/V nps veritas viking towing eight 3.5 mile long cables in…
South Atlantic Ocean · HYDROLANT 1650/12
What this record establishes
Archived notice · 2012-07-24 01:07Z
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 S 957/12 210015Z JUL 12.. Issued 2012-07-21 01:08Z. 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
Current notices and reporting history in the South Atlantic Ocean →
- issued
- 2012-07-21 01:08Z
- status
- Archived notice
- self-cancels
- 2012-07-28 03:59Z
- authority
- NAVAREA V S 957/12 210015Z JUL 12.
- NAVAREA
- NAVAREA V · named as the source of this relay
- issued by
- NAVAREA V S
- sea
- South Atlantic Ocean
- position
- -24.611, -41.748
- vessel
- M/V NPS VERITAS VIKING · 24 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTHEAST COAST. 1. SEISMIC SURVEY IN PROGRESS UNTIL 280259Z JUL BY M/V NPS VERITAS VIKING TOWING EIGHT 3.5 MILE LONG CABLES IN AREA BOUND BY 24-51.87S 041-43.37W, 24-47.42S 041-49.32W, 24-17.50S 042-02.38W, 24-17.05S 041-54.40W, 24-29.33S 041-45.97W, 24-44.78S 041-22.57W. SIX MILE BERTH REQUESTED. 2. CANCEL THIS MSG 280359Z JUL 12.
Reading this warning
- Seismic survey
- A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Tow / towing
- A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
- 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 · cable & pipeline work
2369 within 180 nm since 1998 · 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.
- Cable operations in progress thru 03 jan 24 by M/V puerto real in area bound by 24-31.30S 042-12.30W,…2023-06-23
- Seismic survey in progress until 09 oct by M/V sw diamond towing nine 225 meter long cables in area bound by…2022-10-07
- Seismic deflector gear adrift in 23-08.50S 042-53.90W at 071300Z sep2019-09-07
- Underwater operations in progress until 132300Z jul by cableship ile de brehat in: a. 24-03.8S 046-29.2W2017-06-15
- Seismic survey 21 thru 28 jan by M/V polarcus adira towing 9000 meter long cable in area bound by 25-06S…2017-01-19
- Seismic survey 21 thru 28 jan by oceanic champion towing 12 8000 meter long cables in area bound by…2017-01-19
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
Worldwide in the collected sources
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 01:59Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.