Surveys

Nga chart 38030 (1ST ed)

Denmark Strait · HYDROLANT 1815/11

issued: 2011-11-02 10:57Z
status: cancelled 2012-01-19 13:33Z (archive)
authority: GREENLAND 32/11 011633Z NOV 11.
sea: Greenland Sea
position: 67.690, -24.242
source: nga_json · 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.

This area · survey operations

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

B. 67-16.41N 023-35.30W2012-01-20

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 1815/11 and this msgcancelled by · 2012-01-19

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 survey operations in force · see all

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.