Underwater operations 20 thru 28 nov by vessel with submersible along trackline between 38-58.9N 001-05.8E…
Balearic (Iberian Sea) · HYDROLANT 2738/12
What this record establishes
Archived notice · 2012-11-29 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 III 498/12 191255Z NOV 12.. Issued 2012-11-19 15:24Z. 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
- Balearic (Iberian Sea). The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Current notices and reporting history in the Balearic (Iberian Sea) →
- issued
- 2012-11-19 15:24Z
- status
- Archived notice
- authority
- NAVAREA III 498/12 191255Z NOV 12.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Balearic (Iberian Sea)
- position
- 38.984, 0.608
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN MEDITERRANEAN SEA. SPAIN. 1. UNDERWATER OPERATIONS 20 THRU 28 NOV BY VESSEL WITH SUBMERSIBLE ALONG TRACKLINE BETWEEN 38-58.9N 001-05.8E AND 38-59.2N 000-07.1E. 2. CANCEL THIS MSG 29 NOV 12.
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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
28 within 180 nm since 2003 · 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 22 apr by M/V artabro in vicinity of trackline joining 39-53.10N…2023-03-27
- Survey operations 10 thru 22 mar by M/V artabro in vicinity of trackline joining 39-53.10N 003-06.62E,…2023-03-09
- Survey operations in progress until 182359Z dec by underwater glider in area bound by 39-13.6N 000-01.6E,…2021-09-17
- Survey operations in progress until 20 dec by M/V belkacem grine in area bound by 36-19-44N 001-28-49W,…2020-11-26
- Survey operations in progress until 010001Z oct by underwater glider along trackline joining 39-30.0N…2020-07-30
- Underwater operations in progress until 10 jun by submersible in vicinity of trackline joining 39-03.27N…2018-05-16
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
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-03 03:15Z; 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.