Surveys

Hydrographic survey in progress until 021130Z may by M/V rou 22 oyarvide in area between 35-05.0S 35-09.5S…

HYDROLANT 876/03

issued: 2003-04-30 17:00Z
status: cancelled 2003-05-02 12:30Z (archive)
self-cancels: 2003-05-02 12:30Z
cancels: HYDROLANT 856/03
authority: NAVAREA VI 170/03 301400Z APR 03
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL 021130Z MAY
   BY M/V ROU 22 OYARVIDE IN AREA BETWEEN
   35-05.0S 35-09.5S AND 053-35.0W 053-30.0W.
   1.5 MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 856/03.
3. CANCEL THIS MSG 021230Z MAY.

Timeline

Hydrographic survey in progress until 021130Z may by M/V rou 22 oyarvide in area between 35-05.0S 35-09.3S…cancels · 2003-04-28
Hydrographic survey in progress until 021130Z may by M/V rou 22 oyarvide in area between 35-05.0S 35-09.3S…replaced · 2003-04-28

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

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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.