Restricted

Navigation prohibited until further notice within 500 meters of: a. 57-29.33N 000-32.56E

North Sea · HYDROLANT 2337/05

What this record establishes

Archived notice · 2006-06-07 14:57Z

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 I 505/05 131732Z DEC 05.. Issued 2005-12-13 20:17Z. 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 Sea. The parsed report position is 58.628, 0.539. 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 North Sea →

issued
2005-12-13 20:17Z
status
Archived notice
authority
NAVAREA I 505/05 131732Z DEC 05.
NAVAREA
NAVAREA I · named as the source of this relay
sea
North Sea
position
58.628, 0.539
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NAVIGATION PROHIBITED UNTIL FURTHER NOTICE
WITHIN 500 METERS OF:
A. 57-29.33N 000-32.56E.
B. 57-58.30N 001-51.70E.
C. 58-18.37N 001-39.93W.
D. 60-44.67N 001-25.01E.

Reading this warning

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.
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.

All warning terms →

Collected reports in this area · restricted areas & port closures

54 within 180 nm since 2005 · 0 in the last 12 months · 0 listed in force now

05
10
15
20
22

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

2 restricted areas & port closures listed in force · see all

Record snapshot 2026-09-24 22:47Z; 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.