Survey operations 23 apr thru 05 jun by M/V urania: a. in area between 38-38-48N 38-37-48N and 014-50-36E…
Tyrrhenian Sea · HYDROLANT 672/04
What this record establishes
Archived notice · 2004-05-01 11:50Z
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 119/04 211216B APR 04. Issued 2004-04-21 14:15Z. 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
- Tyrrhenian Sea. The parsed report position is 39.488, 14.322 with a 2.0 nm radius. 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
- 2004-04-21 14:15Z
- status
- Archived notice
- authority
- MARISICILIA 119/04 211216B APR 04
- issued by
- MARISICILIA
- sea
- Tyrrhenian Sea
- position
- 39.488, 14.322 · r 2.0 nm
- 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 23 APR THRU 05 JUN
BY M/V URANIA:
A. IN AREA BETWEEN 38-38-48N 38-37-48N
AND 014-50-36E 014-52-36E.
B. IN AREA BETWEEN 39-29-13N 39-25-28N
AND 014-16-23E 014-23-48E.
C. WITHIN TWO MILES OF 39-29-18N 014-19-20E.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 06 JUN.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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.
Collected reports in this area · survey operations
188 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.
- Underwater operations in progress until further notice by M/V joides resolution in: a. 40-11.03N 012-42.49E2024-02-16
- Underwater operations by M/V handin tide: a. 01 thru 05 sep in area within ten miles of 37-30-00N 015-23-02E2021-08-30
- Survey operations in progress until 22 jul in areas bound by: a. 35-54.54N 012-48.96E, 35-54.54N 012-55.38E,…2021-06-25
- Survey operations in progress until 15 jul by M/V astrea in area bound by 37-25.7N 012-35.8E, 37-25.7N…2021-06-08
- Survey operations 05 jun thru 15 jul by M/V astrea in area bound by 37-25.7N 012-35.8E, 37-25.7N 013-03.1E,…2021-06-03
- Survey operations by M/V miss marilene tide: a. 080600Z to 182359Z apr in area 36-17.8N 015-58.7E2021-04-08
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
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 02:38Z; 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.