Surveys

Underwater operations in progress until further notice by M/V coral sea in 28-35.3S 015-48.9E

Eastern South Atlantic · Namibia · HYDROLANT 1787/21

issued
2021-07-07 09:42Z
status
cancelled 2021-07-22 20:52Z (archive)
cancels
HYDROLANT 1733/21
authority
NAVAREA VII 209/21 070940Z JUL 21.
position
-28.588, 15.815
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
NAMIBIA.
DNC 01.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V CORAL SEA IN 28-35.3S 015-48.9E.
   TWO MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1733/21.

This area · survey operations

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

03
05
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15
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24

Season · when survey operations happen here

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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

73 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.