Surveys

Underwater operations in progress until further notice by M/V explorer in area bound by 28-54.32S…

South Atlantic · South Africa · HYDROLANT 3958/19

issued
2019-12-25 19:29Z
status
cancelled 2020-01-10 14:41Z (archive)
cancels
HYDROLANT 3787/19
authority
NAVAREA VII 511/19 251921Z DEC 19.
sea
South Atlantic Ocean
position
-28.953, 16.428
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH ATLANTIC.
SOUTH AFRICA.
DNC 01.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V EXPLORER IN AREA BOUND BY
   28-54.32S 016-21.81E, 28-54.24S 016-29.45E,
   29-00.01S 016-29.53E, 29-00.09S 016-21.88E.
   ONE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 3787/19.

This area · survey operations

253 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now

03
05
10
15
20
24

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

Timeline

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.