Surveys

Hydrographic survey in progress until 310259Z jan by M/V ocean surveyor towing 600 meter long cable in area…

HYDROLANT 101/07

issued
2007-01-18 08:17Z
status
cancelled 2007-01-31 03:59Z (archive)
self-cancels
2007-01-31 03:59Z
authority
NAVAREA V 40/07 180414Z JAN 07.
sea
South Atlantic Ocean
position
-24.754, -45.771
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL
   310259Z JAN BY M/V OCEAN SURVEYOR TOWING
   600 METER LONG CABLE IN AREA BOUND BY
   24-02.75S 046-28.80W, 24-03.09S 046-29.60W,
   25-15.86S 045-14.39W, 25-16.61S 045-15.21W.
   TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 310359Z JAN.

This area · survey operations

495 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now

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Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

83 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.