Surveys

Underwater operations by M/V handin tide with submersible: a. 01 thru 05 jun in area within ten miles of…

Mediterranean Sea - Eastern Basin · HYDROLANT 1390/22

What this record establishes

Archived notice · 2022-06-13 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) · M/V HANDIN TIDE 0/22 231201Z MAY 22.. Issued 2022-05-27 09:07Z. 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.

Current notices and reporting history in the Mediterranean Sea - Eastern Basin →

issued: 2022-05-27 09:07Z
status: Archived notice
self-cancels: 2022-06-13 00:01Z
authority: M/V HANDIN TIDE 0/22 231201Z MAY 22.
issued by: M/V HANDIN TIDE
sea: Mediterranean Sea - Eastern Basin
position: 36.295, 15.977
vessel: M/V HANDIN TIDE · 3 messages
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN MEDITERRANEAN SEA.
SICILY.
DNC 09.
1. UNDERWATER OPERATIONS BY M/V HANDIN TIDE
   WITH SUBMERSIBLE:
   A. 01 THRU 05 JUN IN AREA WITHIN TEN MILES OF
      36-17.65N 015-58.7E.
   B. 07 THRU 12 JUN IN AREA WITHIN TEN MILES OF
      36-17.73N 015-58.55E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 130001Z JUN 22.

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.
Within a radius of: A circular area — every position within a stated distance of a point.
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.
Date-time group (DTG): A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · survey operations

215 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.

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

Submarine cable and rov works days 280000 UTC sep 26 to 071000 UTC oct 26 at points: 36-12.78N 015-52.58E…Cable ops · 8.2 nm

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-01 22:25Z; 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.