Towing

Hydrographic operations 010800Z to 130800Z nov by M/V alliance, M/V leonardo and M/V triton towing equipment…

Mediterranean Sea - Eastern Basin · HYDROLANT 2393/02

What this record establishes

Archived notice · 2002-11-13 09:00Z

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) · MARISICILIA 413/02 281100Z OCT.. Issued 2002-10-29 09:10Z. 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 →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2002-11-01 08:00Z	2002-11-13 08:00Z	—	288 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued: 2002-10-29 09:10Z
status: Archived notice
self-cancels: 2002-11-13 09:00Z
authority: MARISICILIA 413/02 281100Z OCT.
issued by: MARISICILIA
sea: Mediterranean Sea - Eastern Basin
position: 36.430, 15.136
vessels: M/V ALLIANCE · 61 messages M/V LEONARDO · 4 messages M/V TRITON · 6 messages
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC OPERATIONS 010800Z TO 130800Z NOV BY M/V ALLIANCE,
   M/V LEONARDO AND M/V TRITON TOWING EQUIPMENT IN AREA BOUND BY
   37-00N 014-00E, 36-45N 014-30E, 36-37N 015-00E,
   36-39N 015-10E, 36-55N 015-15E, 36-55N 016-00E,
   35-55N 016-00E, 35-55N 015-00E, 36-18N 014-30E,
   36-18N 014-00E. WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 130900Z NOV.

Reading this warning

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.
Tow / towing: A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
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.

All warning terms →

Collected reports in this area · tows

4 within 180 nm since 2002 · 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 · 35.4 nm

Worldwide in the collected sources

0 tows listed in force · see all

Record snapshot 2026-10-03 02:35Z; source collection times vary.

Towing

Vessels under tow with long or unlit tow lines. All current tows →

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.