Navigation prohibited 23 thru 27 jan within 500 meters of 39-10.28N 009-05.24E
Tyrrhenian Sea · HYDROLANT 131/07
What this record establishes
Archived notice · 2007-01-28 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) · MARISARDEGNA 18/07 221110Z JAN 07; MARISARDEGNA 19/07 221112Z JAN 07.. Issued 2007-01-22 12:27Z. 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 39.171, 9.087 with a 0.3 nm radius. 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
- Isola asinara light 41-07.2N 008-19.1E unreliablecancelled by this notice
Current notices and reporting history in the Tyrrhenian Sea →
- issued
- 2007-01-22 12:27Z
- status
- Archived notice
- authority
- MARISARDEGNA 18/07 221110Z JAN 07; MARISARDEGNA 19/07 221112Z JAN 07.
- issued by
- MARISARDEGNA
- sea
- Tyrrhenian Sea
- position
- 39.171, 9.087 · r 0.3 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CHART 53011 (2ND ED). 1. NAVIGATION PROHIBITED 23 THRU 27 JAN WITHIN 500 METERS OF 39-10.28N 009-05.24E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2134/06, AID RESTORED. 3. CANCEL THIS MSG 28 JAN.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Navigation prohibited
- Ships may not enter or pass through the area, or a port is closed to traffic.
- 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.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · restricted areas & port closures
4 within 180 nm since 2006 · 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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
2 restricted areas & port closures listed in force · see all
Record snapshot 2026-09-28 08:46Z; source collection times vary.
Restricted
Navigation prohibited, exclusion and security zones, ports closed to traffic. All current restricted areas & port closures →
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.