Surveys

Underwater operations in progress until 250300Z jul by M/V lingue towing 1250 meter long cable along…

HYDROLANT 2067/01

issued
2001-07-24 05:00Z
status
cancelled 2001-07-25 04:00Z (archive)
self-cancels
2001-07-25 04:00Z
authority
NAVAREA V 1205/01
sea
South Atlantic Ocean
position
-23.768, -42.526
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 250300Z JUL
   BY M/V LINGUE TOWING 1250 METER LONG CABLE ALONG TRACKLINE
   JOINING 23-25S 043-17W, 23-38S 043-03W, 23-50S 042-38W,
   23-54S 041-41W. FOUR MILE BERTH REQUESTED.
2. CANCEL THIS MSG 250400Z JUL.

This area · survey operations

653 within 180 nm since 2000 · 10 in the last 12 months · 8 in force now

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26

Season · when survey operations happen here

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month of issue, all years in the archive

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.