Surveys

Nga chart 38030 (1ST ed)

Greenland Sea · HYDROLANT 1815/11

What this record establishes

Archived notice · 2012-01-19 13:33Z

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) · GREENLAND 32/11 011633Z NOV 11.. Issued 2011-11-02 10:57Z. 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
Greenland Sea. The parsed report position is 67.690, -24.242. 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

Current notices and reporting history in the Greenland Sea →

issued
2011-11-02 10:57Z
status
Archived notice
authority
GREENLAND 32/11 011633Z NOV 11.
issued by
GREENLAND
sea
Greenland Sea
position
67.690, -24.242
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

DENMARK STRAIT.
NGA CHART 38030 (1ST ED).
1. BOTTOM SCIENTIFIC MOORINGS EXTENDING
   50 TO 100 METERS ABOVE SEA FLOOR
   ESTABLISHED UNTIL 31 AUG 12 IN:
   A. 67-12.18N 023-31.80W.
   B. 67-16.41N 023-35.30W.
   C. 67-20.30N 023-37.90W.
   D. 67-24.96N 023-41.50W.
   E. 67-29.28N 023-45.10W.
   F. 67-34.80N 023-53.50W.
   G. 67-42.14N 024-09.20W.
   H. 67-52.14N 024-30.70W.
   I. 68-01.38N 024-51.20W.
   J. 68-09.18N 025-07.50W.
   K. 68-12.36N 025-13.90W.
   L. 67-24.04N 023-41.60W.
   M. 68-19.31N 025-29.60W.
2. CANCEL THIS MSG 01 SEP 12.

Reading this warning

Chart reference
The number of the nautical chart on which the reported position lies.
Scientific mooring
Instruments anchored to the seabed and held up by floats, sometimes just below the surface, left for months to measure the ocean.
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.

All warning terms →

Collected reports in this area · survey operations

2 within 180 nm since 2011 · 0 in the last 12 months · 0 listed in force now

11
12

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

56 survey operations listed in force · see all

Record snapshot 2026-10-02 21:31Z; source collection times vary.

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.