Surveys

Underwater operations in progress until 30 jun by M/V discovery vicinity of trackline joining 48-03.9N…

Eastern North Atlantic · HYDROLANT 1359/12

issued
2012-06-22 08:45Z
status
cancelled 2012-07-01 00:01Z (archive)
cancels
HYDROLANT 1261/12
authority
NAVAREA I 156/12 220745Z JUN 12.
position
48.453, -9.385
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 30 JUN
   BY M/V DISCOVERY VICINITY OF TRACKLINE JOINING
   48-03.9N 009-44.6W, 48-38.9N 009-07.1W,
   48-46.8N 009-24.2W.
2. MOORINGS TEMPORARILY ESTABLISHED:
   A. 48-09.16N 009-37.30W.
   B. 48-14.18N 009-32.66W.
   C. 48-20.16N 009-26.38W.
   D. 48-38.90N 009-07.06W.
   E. 48-46.84N 009-24.17W.
3. CANCEL HYDROLANT 1261/12.
4. CANCEL THIS MSG 01 JUL.

This area · survey operations

408 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

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Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

75 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.