Surveys

Hydrographic survey in progress until 140300Z jan by M/V ocean surveyor towing 20 meter long cable in area…

HYDROLANT 83/08

issued
2008-01-10 15:34Z
status
cancelled 2008-01-14 04:00Z (archive)
self-cancels
2008-01-14 04:00Z
authority
NAVAREA V COASTAL 4019/08 101227Z JAN 08.
sea
South Atlantic Ocean
position
-11.097, -37.043
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL
   140300Z JAN BY M/V OCEAN SURVEYOR TOWING
   20 METER LONG CABLE IN AREA BOUND BY
   10-58.92S 036-58.57W, 11-01.45S 036-57.80W,
   11-01.98S 037-01.88W, 11-09.43S 037-01.27W,
   11-09.58S 037-03.27W, 11-02.20S 037-03.92W,
   10-59.38S 037-02.18W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 140400Z JAN.

This area · survey operations

38 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

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Season · when survey operations happen here

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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.