Hydrographic survey 16 thru 23 jul by M/V ocean endeavour in area bound by 23-59.87S 041-19.42W, 20-16.51S…
South Atlantic Ocean · HYDROLANT 1784/16
What this record establishes
Archived notice · 2016-07-24 00:01Z
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 178/16 150305Z JUL 16.. Issued 2016-07-15 08:37Z. 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
- 2016-07-15 08:37Z
- status
- Archived notice
- authority
- NAVAREA V 178/16 150305Z JUL 16.
- NAVAREA
- NAVAREA V · named as the source of this relay
- sea
- South Atlantic Ocean
- position
- -19.214, -35.507
- vessel
- M/V OCEAN ENDEAVOUR · 27 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. DNC 01. 1. HYDROGRAPHIC SURVEY 16 THRU 23 JUL BY M/V OCEAN ENDEAVOUR IN AREA BOUND BY 23-59.87S 041-19.42W, 20-16.51S 032-27.45W, 15-43.14S 031-35.57W, 15-13.38S 034-55.14W. 2. CANCEL THIS MSG 24 JUL 16.
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.
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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 · survey operations
11 within 180 nm since 2000 · 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.
- Survey operations in progress until 05 nov by M/V nho cruzeiro do sul towing two 500 meter long cables in…2021-10-17
- Survey operations in progress until 27 nov by M/V ramform titan towing 14 10000 meter cables in area bound…2020-11-24
- Oceanographic operations in progress until 010259Z oct by M/V oceanographic professor besnard in area bound…2007-07-26
- Survey operations 30 mar thru 27 apr by M/V sirius along trackline between 17-10S 036-50W and 18-50S 038-10W2005-03-27
- Survey operations 02 thru 08 oct by M/V sirius H-21 along trackline joining 19-45S 038-15W, 20-10S 039-25W,…2004-09-30
- Oceanographic operations 19 thru 27 nov by M/V antares in area bound by 19-40S 039-30W, 19-00S 029-30W,…2003-11-16
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
- 18.3 meter depth reported in 20-35.71S 034-46.07WWrecks · 92.8 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-02 17:39Z; 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.