Survey operations 01 thru 20 oct by M/V sarmiento de gamboa in area bound by 38-00N 015-00W, 34-00N 015-00W,…
North Atlantic Ocean · HYDROLANT 2956/19
What this record establishes
Archived notice · 2019-10-13 11:59Z
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 II 331/19 270521Z SEP 19.. Issued 2019-09-27 15:58Z. 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
- North 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 North Atlantic Ocean →
- issued
- 2019-09-27 15:58Z
- status
- Archived notice
- authority
- NAVAREA II 331/19 270521Z SEP 19.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 36.000, -10.500
- vessel
- M/V SARMIENTO DE GAMBOA · 67 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. GULF OF CADIZ. PORTUGAL. DNC 08. 1. SURVEY OPERATIONS 01 THRU 20 OCT BY M/V SARMIENTO DE GAMBOA IN AREA BOUND BY 38-00N 015-00W, 34-00N 015-00W, 34-00N 006-00W, 38-00N 006-00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 21 OCT 19.
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.
- 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 · survey operations
69 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.
- Survey operations in progress until 06 feb by r/v maria s. merian in area bound by 35-45.00N 008-00.00W,…2024-01-29
- Underwater operations 281200Z dec until further notice by M/V joides resolution in vicinity 36-42.00N…2023-12-28
- Survey operations in progress until 192300Z mar by M/V ramon margalef in area bound by: 35-48.0N 007-34.0W,…2023-03-14
- Underwater operations in progress until further notice by M/V joides resolution in 37-57.60N 009-31.00W2022-11-30
- Underwater operations in progress until further notice by M/V joides resolution in 37-34.00N 010-07.70W2022-11-16
- Underwater operations in progress until further notice by M/V joides resolution in 37-34.90N 010-21.50W2022-11-01
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
- Derelict vessel adriftDerelicts · 100.2 nm
Worldwide in the collected sources
55 survey operations listed in force · see all
Record snapshot 2026-10-02 07:07Z; 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.