Surveys

Underwater operations in progress until 082100Z jan 07 within ten miles of trackline joining 33-34N 027-00W,…

HYDROLANT 2168/06

issued: 2006-12-04 15:15Z
status: cancelled 2006-12-11 06:46Z (archive)
self-cancels: 2007-01-08 22:00Z
authority: NAVAREA II 394/06 041420Z DEC 06.
sea: North Atlantic Ocean
position: 28.475, -32.543
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 082100Z JAN 07
   WITHIN TEN MILES OF TRACKLINE JOINING
   33-34N 027-00W, 31-10N 030-37W,
   25-30N 034-37W, 23-29N 034-15W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 082200Z JAN 07.

This area · survey operations

3 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 2168/06 and this msg, operations completedcancelled by · 2006-12-11

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 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.