Nga chart 51225 (3RD ed)
North Atlantic Ocean · HYDROLANT 1664/10
What this record establishes
Archived notice · 2010-09-20 16:45Z
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 II 333/10 031540Z SEP 10.. Issued 2010-09-03 16:22Z. 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
- North Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 1664/10 and this msglater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2010-09-03 16:22Z
- status
- Archived notice
- authority
- NAVAREA II 333/10 031540Z SEP 10.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 30.377, -9.640
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. MOROCCO. NGA CHART 51225 (3RD ED). NAVIGATION PROHIBITED UNTIL FURTHER NOTICE IN AREA BOUND BY 30-20.0N 009-37.0W, 30-25.1N 009-36.5W, 30-25.1N 009-40.0W, 30-20.0N 009-40.0W.
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.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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.
Collected reports in this area · restricted areas & port closures
21 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.
- Nga chart 51225 (3RD ed)2011-01-03
- Nga chart 51225 (3RD ed)2009-10-01
- Nga chart 51225 (3RD ed)2009-04-30
- Nga chart 51225 (3RD ed)2009-01-09
- Nga chart 51300 (4TH)2008-11-10
- Nga chart 51240 (2ND ed)2008-10-30
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 2026-10-03 18:42Z; 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.