Navigation prohibited until 23 mar in areas between: a. 38-24N 015-18E, 38-21N 015-18E
Tyrrhenian Sea · HYDROLANT 550/06
What this record establishes
Archived notice · 2006-03-21 10:37Z
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 68/06 201805Z MAR 06.. Issued 2006-03-20 19:21Z. 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 map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 550/06 and this msglater cancellation notice
Current notices and reporting history in the Tyrrhenian Sea →
- issued
- 2006-03-20 19:21Z
- status
- Archived notice
- authority
- MARISICILIA 68/06 201805Z MAR 06.
- issued by
- MARISICILIA
- sea
- Tyrrhenian Sea
- position
- 38.375, 15.367
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. NAVIGATION PROHIBITED UNTIL 23 MAR IN AREAS BETWEEN: A. 38-24N 015-18E, 38-21N 015-18E. B. 38-24N 015-26E, 38-21N 015-26E. 2. CANCEL THIS MSG 24 MAR.
Reading this warning
- Navigation prohibited
- Ships may not enter or pass through the area, or a port is closed to traffic.
- 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.
- 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
5 within 180 nm since 2004 · 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.
- Navigation prohibited 230700Z to 231630Z jul in area bound by 38-06.949N 015-38.907E, 38-07.392N…2006-07-21
- Navigation prohibited 160700Z until 172359Z feb within 500 meters of 37-11.35N 015-12.30E2006-02-15
- Navigation prohibited sunrise to sunset 16 may within ten miles of 37-35N 015-30E2005-05-13
- Navigation prohibited until further notice in 35-47.2N 014-24.5E to non-commercial vessels and other vessels…2004-06-09
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 2026-10-02 22:34Z; 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.