Surveys

Oceanographic operations in progress until further notice by M/V urania: a. in 37-23.10N 011-35.55E

Tyrrhenian Sea · HYDROLANT 33/04

What this record establishes

Archived notice · 2004-01-15 18:48Z

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 3/04 071336Z JAN 04; NAVAREA III 8/04 080910Z JAN 04. Issued 2004-01-08 11:10Z. 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
Tyrrhenian Sea. The parsed report position is 38.358, 11.993. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Tyrrhenian Sea →

issued
2004-01-08 11:10Z
status
Archived notice
authority
MARISICILIA 3/04 071336Z JAN 04; NAVAREA III 8/04 080910Z JAN 04
NAVAREA
NAVAREA III · named as the source of this relay
issued by
MARISICILIA
sea
Tyrrhenian Sea
position
38.358, 11.993
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. OCEANOGRAPHIC OPERATIONS IN PROGRESS UNTIL
   FURTHER NOTICE BY M/V URANIA:
   A. IN 37-23.10N 011-35.55E.
   B. IN 37-17.10N 011-30.07E.
   C. ALONG TRACKLINE JOINING
      37-38.89N 012-08.67E, 37-34.87N 012-00.19E,
      37-43.98N 012-19.98E, 37-30.87N 011-55.36E,
      37-24.97N 011-44.62E, 37-16.77N 011-29.17E,
      37-18.98N 011-33.75E, 37-21.93N 011-39.70E,
      37-10.80N 011-36.24E, 37-13.58N 011-23.75E,
      37-13.98N 011-25.98E, 37-20.32N 011-36.01E,
      39-46.10N 011-53.16E, 38-54.97N 013-17.97E.
   ONE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 2188/03.

Reading this warning

Until further notice
The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
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.
Track line joining
Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
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.

All warning terms →

Collected reports in this area · survey operations

278 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 03:14Z; 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.