Seismic survey in progress until 01 aug by M/V andrew charles in area bound by 26-12.11S 048-21.25W,…
South Atlantic Ocean · HYDROLANT 998/11
What this record establishes
Archived notice · 2011-06-25 09:00Z
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 S 505/11 15 JUN 11.. Issued 2011-06-15 01:20Z. 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 →
- issued
- 2011-06-15 01:20Z
- status
- Archived notice
- authority
- NAVAREA V S 505/11 15 JUN 11.
- NAVAREA
- NAVAREA V · named as the source of this relay
- issued by
- NAVAREA V S
- sea
- South Atlantic Ocean
- position
- -26.583, -48.510
- vessel
- M/V ANDREW CHARLES · 7 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. 1. SEISMIC SURVEY IN PROGRESS UNTIL 01 AUG BY M/V ANDREW CHARLES IN AREA BOUND BY 26-12.11S 048-21.25W, 26-51.44S 048-43.29W, 26-54.44S 048-36.52W, 26-47.40S 048-31.60W, 26-12.10S 048-17.49W, 26-13.12S 048-29.37W, 26-14.45S 048-30.02W, 26-14.36S 048-17.46W. 2. CANCEL THIS MSG 02 AUG.
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.
- 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.
- 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
339 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 30 mar 24 by cableship durable in: a. 24-05.68S 046-30.76W2023-12-27
- Cable operations in progress until 241100Z feb 21 by cableship peter faber and cableship recorder in: a.…2020-11-26
- Cable operations in progress until 251100Z nov by cableship peter faber and cableship recorder in: a.…2020-09-30
- Underwater operations 15 aug thru 21 sep by cableship peter faber and cableship recorder in: a. 35-38.11S…2020-08-14
- Underwater operations in progress until 20 sep by cableship peter faber and cableship recorder in: a.…2020-08-05
- Underwater operations in progress until 142359Z aug by cableship ile de brehat in: a. 24-03.0S 046-31.4W2017-07-14
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
25 cable & pipeline work listed in force · see all
Record snapshot 2026-09-29 01:32Z; 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.