Surveys

Survey operations 14 jul thru 10 aug aby M/V urania towing equipment within 500 meters of: a. 37-57N 011-40E

Tyrrhenian Sea · HYDROLANT 2476/00

What this record establishes

Archived notice · 2000-08-11 00:00Z

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) · NAVAREA III 304/00 131211Z JUL 00. Issued 2000-07-13 14:08Z. 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
Tyrrhenian Sea. The parsed report position is 37.706, 13.760. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Tyrrhenian Sea →

issued
2000-07-13 14:08Z
status
Archived notice
authority
NAVAREA III 304/00 131211Z JUL 00
NAVAREA
NAVAREA III · named as the source of this relay
sea
Tyrrhenian Sea
position
37.706, 13.760
vessel
M/V URANIA · 135 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 14 JUL THRU 10 AUG ABY M/V URANIA
   TOWING EQUIPMENT WITHIN 500 METERS OF:
   A. 37-57N 011-40E.
   B. 37-00N 012-20E.
   C. 36-00N 013-35E.
   D. 35-12N 015-35E.
   E. 37-35N 016-35E.
   F. 39-10N 015-10E.
   G. 39-40N 013-20E.
   H. 39-05N 011-50E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 11 AUG.

Reading this warning

Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
Tow / towing
A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
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.

All warning terms →

Collected reports in this area · survey operations

306 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
24

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

J
F
M
A
M
J
J
A
S
O
N
D

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-03 15:14Z; 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.