Surveys

Survey operations in progress until 17 may by M/V sw diamond towing two 225 meter long cables in area bound…

Western South Atlantic · HYDROLANT 1255/22

issued
2022-05-10 20:41Z
status
cancelled 2022-05-18 01:00Z (archive)
self-cancels
2022-05-18 01:00Z
authority
NAVAREA V 247/22 102035Z MAY 22.
sea
South Atlantic Ocean
position
-25.483, -42.823
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 17 MAY
   BY M/V SW DIAMOND TOWING TWO 225 METER
   LONG CABLES IN AREA BOUND BY
   25-58.95S 042-48.29W, 25-16.06S 042-15.75W,
   24-59.52S 042-50.89W, 25-41.07S 043-22.83W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 180100Z MAY 22.

This area · survey operations

573 within 180 nm since 2000 · 2 in the last 12 months · 0 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

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.