Underwater operations in progress until 29 mar 15 in areas bound by: a. 34-03.0N 032-54.0E, 34-07.0N…
Mediterranean Sea - Eastern Basin · HYDROLANT 3169/14
What this record establishes
Archived notice · 2015-03-30 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 664/14 301209Z DEC 14.. Issued 2014-12-30 12:15Z. 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
- Mediterranean Sea - Eastern Basin. 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
- Underwater operations in progress until 20 feb 15 in areas bound by: a. 33-33N 033-12E, 33-53N 033-15E,…cancelled by this notice
- Cancel HYDROLANT 3169/14 and this msglater cancellation notice
Current notices and reporting history in the Mediterranean Sea - Eastern Basin →
- issued
- 2014-12-30 12:15Z
- status
- Archived notice
- authority
- NAVAREA III 664/14 301209Z DEC 14.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Mediterranean Sea - Eastern Basin
- position
- 34.028, 33.684
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN MEDITERRANEAN SEA.
DNC 10.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL
29 MAR 15 IN AREAS BOUND BY:
A. 34-03.0N 032-54.0E, 34-07.0N 033-53.0E,
33-53.0N 033-57.0E, 33-33.0N 033-12.0E.
B. 34-27.0N 033-53.0E, 34-27.0N 034-38.0E,
34-11.0N 034-28.0E, 34-11.0N 033-59.0E.
FIVE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 2818/14.
3. CANCEL THIS MSG 30 MAR 15.
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.
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- 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.
- 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.
Collected reports in this area · survey operations
190 within 180 nm since 2000 · 5 in the last 12 months · 2 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.
- Underwater operations in progress until 25 oct by M/V denar echo, M/V oruc reis, M/V kirici and M/V denar…2026-10-02
- Underwater operations in progress until 25 oct by M/V denar echo, M/V denar pathfinder and M/V harvest chief…2026-10-01
- Scientific research and underwater operations by vessels r/v harvest chief, denar pathfinder, denar echo and…2026-10-01
- Scientific research and underwater operations by vessels r/v oruc reis, denar pathfinder, denar echo and…2026-10-01
- Underwater operations 01 thru 25 oct by M/V oruc reis, M/V denar echo, M/V kirici and M/V denar pathfinder…2026-09-30
- Survey operations by M/V BILIM-2 in progress until 04 jul along tracklines joining: a. 36-04.51N 033-13.95E,…2022-06-30
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 33-33.41N 031-55.09E reported missingNav aids · 92.6 nm
- Scientific research and underwater operations by vessels r/v oruc reis, denar pathfinder, denar echo and…Surveys · 109.8 nm
- Underwater operations in progress until 25 oct by M/V denar echo, M/V oruc reis, M/V kirici and M/V denar…Surveys · 109.8 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-03 11:44Z; 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.