Hazardous operation 1200Z to 1930Z daily in progress until 23 jun in area bound by 06-24.1S 034-20.3W,…
South Atlantic Ocean · HYDROLANT 1147/06
What this record establishes
Archived notice · 2006-06-23 20:30Z
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 379/06 170401Z JUN 06.. Issued 2006-06-17 04:45Z. 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
- 2006-06-17 04:45Z
- status
- Archived notice
- self-cancels
- 2006-06-23 20:30Z
- authority
- NAVAREA V 379/06 170401Z JUN 06.
- NAVAREA
- NAVAREA V · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -5.951, -34.551
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATION 1200Z TO 1930Z DAILY IN PROGRESS UNTIL 23 JUN IN AREA BOUND BY 06-24.1S 034-20.3W, 06-12.5S 034-14.9W, 05-45.8S 034-13.0W, 05-31.0S 034-17.0W, 05-56.8S 035-11.2W, 05-54.3S 035-11.0W. 2. CANCEL HYDROLANT 1019/06. 3. CANCEL THIS MSG 232030Z JUN.
Reading this warning
- 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.
- 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 · other warnings
14 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.
- Hazardous operation 301100Z to 301800Z may in area within five miles of 06-49.50S 034-36.00W2022-05-25
- Four persons overboard from vessel miguelito I in 08-08.00S 034-44.00W on 18 jun2020-06-20
- Two persons overboard from vessel douglas in 08-34.41S 034-55.22W on 18 jun2019-06-18
- Two persons overboard from F/V kayllan in 08-01.65S 034-45.25W on 09 jul2018-07-10
- Brazil-northeast Coast2013-11-21
- Pipelaying operations 1100Z to 1800Z daily until 11 may 14 within one mile of 04-50S 036-30W2013-11-11
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
- Odas buoy established in 05-09.46S 035-09.81WNav aids · 60.1 nm
- Odas buoy bravo rn-l temporarily established until 20 oct in 04-53.00S 035-46.01WNav aids · 96.9 nm
Worldwide in the collected sources
23 other warnings listed in force · see all
Record snapshot 2026-10-02 08:05Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.