Surveys

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

HYDROLANT 523/04

issued
2004-03-30 08:20Z
status
cancelled 2004-04-01 03:59Z (archive)
self-cancels
2004-04-01 03:59Z
authority
NAVAREA V 273/04 300358Z MAR 04
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS IN PROGRESS UNTIL 010259Z APR
   BY M/V POLAR BJORN TOWING 50 METER
   LONG CABLE IN AREA BETWEEN
   24-08S 24-58S AND 043-01W 044-16W.
   TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 010359Z APR.

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.