Surveys

Survey operations in progress until 010259Z mar by M/V polar bjorn towing 50 meter long cable in area…

HYDROLANT 336/04

issued: 2004-02-27 07:40Z
status: cancelled 2004-03-01 03:59Z (archive)
self-cancels: 2004-03-01 03:59Z
authority: NAVAREA V 168/04 270358Z FEB 04
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS IN PROGRESS UNTIL 010259Z MAR
   BY M/V POLAR BJORN TOWING 50 METER LONG CABLE
   IN AREA BETWEEN
   20-50S 21-28S AND 040-10W 039-30W.
   TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 010359Z MAR.

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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.