Surveys

Underwater operations 040300Z nov to 030259Z dec by M/V polar queen in area bound by 21-51S 039-43W, 21-51S…

HYDROLANT 1847/08

issued
2008-10-31 05:50Z
status
cancelled 2008-12-03 03:59Z (archive)
self-cancels
2008-12-03 03:59Z
authority
NAVAREA V E 699/08 310446Z OCT 08.
sea
South Atlantic Ocean
position
-21.961, -39.906
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 040300Z NOV TO 030259Z DEC
   BY M/V POLAR QUEEN IN AREA BOUND BY
   21-51S 039-43W, 21-51S 039-54W,
   22-07S 040-09W, 22-09S 040-06W,
   21-59S 039-56W, 21-59S 039-44W.
   FIVE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 030359Z DEC.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2008-11-04 03:00Z2008-12-03 02:59Z695 h 59

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · survey operations

713 within 180 nm since 2000 · 24 in the last 12 months · 15 in force now

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26

Season · when survey operations happen here

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F
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A
M
J
J
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month of issue, all years in the archive

Nearby now · 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.