Underwater operations 1000Z to 2000Z daily 10 may thru 09 aug by cableship recorder and M/V saga badejo in…
South Atlantic Ocean · HYDROLANT 1457/18
What this record establishes
Archived notice · 2018-08-09 21:00Z
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 COASTAL N 357/18 092156Z MAY 18.. Issued 2018-05-10 00:09Z. 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.
Current notices and reporting history in the South Atlantic Ocean →
Activity windows · 92 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-05-10 10:00Z | 2018-05-10 20:00Z | — | 10 h |
| 2018-05-11 10:00Z | 2018-05-11 20:00Z | — | 10 h |
| 2018-05-12 10:00Z | 2018-05-12 20:00Z | — | 10 h |
| 2018-05-13 10:00Z | 2018-05-13 20:00Z | — | 10 h |
| 2018-05-14 10:00Z | 2018-05-14 20:00Z | — | 10 h |
| 2018-05-15 10:00Z | 2018-05-15 20:00Z | — | 10 h |
| 2018-05-16 10:00Z | 2018-05-16 20:00Z | — | 10 h |
| 2018-05-17 10:00Z | 2018-05-17 20:00Z | — | 10 h |
| … 84 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2018-05-10 00:09Z
- status
- Archived notice
- self-cancels
- 2018-08-09 21:00Z
- authority
- NAVAREA V COASTAL N 357/18 092156Z MAY 18.
- NAVAREA
- NAVAREA V · named as the source of this relay
- issued by
- NAVAREA V COASTAL N
- sea
- South Atlantic Ocean
- position
- -2.733, -34.678
- vessel
- M/V SAGA BADEJO · 5 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-NORTH COAST. DNC 01. 1. UNDERWATER OPERATIONS 1000Z TO 2000Z DAILY 10 MAY THRU 09 AUG BY CABLESHIP RECORDER AND M/V SAGA BADEJO IN AREA BOUND BY 01-53S 027-31W, 02-35S 038-04W, 03-44S 038-27W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 092100Z AUG 18.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- 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.
- 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.
Collected reports in this area · cable & pipeline work
160 within 180 nm since 1999 · 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 until 130259Z feb 21 by cableship ile de brehat and cableship peter faber along…2020-12-30
- Cable operations 300300Z nov to 130259Z feb 21 by cableship ile de brehat along trackline joining 03-44.36S…2020-11-29
- Underwater operations 1000Z to 2000Z daily 10 may thru 20 sep by cableship recorder and M/V saga badejo in…2018-08-10
- Underwater operations 1000Z to 2000Z daily 20 feb thru 06 may by cableship rene descartes along trackline…2018-04-20
- Underwater operations in progress 1000Z to 2000Z daily until 29 may by cableship rene descartes along…2018-03-24
- Underwater operations in progress 1000Z to 2000Z daily until 29 may by cableship rene descartes along…2018-02-17
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
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 04:31Z; 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.