Surveys

Hydrographic survey 18 oct thru 02 nov by M/V sirius in area bound by 27-14.5S 048-45.0W, 27-14.5S…

HYDROLANT 3506/00

issued
2000-10-15 04:31Z
status
cancelled 2000-11-03 00:00Z (archive)
authority
NAVAREA V 2173/00 150341Z OCT 00
sea
South Atlantic Ocean
position
-27.608, -47.629
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY 18 OCT THRU 02 NOV BY
   M/V SIRIUS IN AREA BOUND BY 27-14.5S 048-45.0W,
   27-14.5S 047-00.0W, 28-20.0S 047-00.0W,
   27-20.0S 048-45.0W. WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 03 NOV.

This area · survey operations

118 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
05
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15
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25
26

Season · when survey operations happen here

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F
M
A
M
J
J
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S
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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.