Structures

Nga chart 37165 (3RD ed)

North Sea · HYDROLANT 1161/11

What this record establishes

Archived notice · 2011-09-10 09:13Z

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 188/11 211850Z JUL 11.. Issued 2011-07-21 19:53Z. 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 54.118, 5.263. 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
2011-07-21 19:53Z
status
Archived notice
authority
NAVAREA I 188/11 211850Z JUL 11.
NAVAREA
NAVAREA I · named as the source of this relay
sea
North Sea
position
54.118, 5.263
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
EAST FRIESLAND TSS.
NGA CHART 37165 (3RD ED).
PLATFORM ESTABLISHED IN 54-07.1N 005-15.8E.

Reading this warning

Chart reference
The number of the nautical chart on which the reported position lies.
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 · offshore structure notices

26 within 180 nm since 1998 · 0 in the last 12 months · 0 listed in force now

98
00
05
10
15
20
23

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 offshore structure notices listed in force · see all

Record snapshot 2026-10-02 15:42Z; source collection times vary.

Structures

Platforms, wind turbines and fish farms established, under construction or removed. All current offshore structure notices →

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.