Surveys

Survey operations in progress until 18 jan by M/V sw diamond towing two 225 meter long cables in area bound…

Western South Atlantic · HYDROLANT 108/22

issued: 2022-01-11 20:37Z
status: cancelled 2022-01-19 00:01Z (archive)
authority: NAVAREA V COASTAL S 18/22 112018Z JAN 22.
sea: South Atlantic Ocean
position: -25.186, -42.920
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   18 JAN BY M/V SW DIAMOND TOWING TWO
   225 METER LONG CABLES IN AREA BOUND BY
   25-07.42S 042-46.98W, 25-14.68S 042-44.35W,
   25-21.98S 042-46.15W, 25-25.10S 042-48.00W,
   25-20.23S 042-57.62W, 25-13.62S 042-59.95W,
   25-10.17S 043-06.70W, 25-05.18S 043-08.50W,
   25-02.28S 043-06.73W, 24-59.57S 042-59.28W,
   25-04.90S 042-48.72W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 19 JAN 22.

This area · survey operations

574 within 180 nm since 2000 · 3 in the last 12 months · 1 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until 18 jan by M/V sw diamond towing two 225 meter long cables in area bound…cancelled by · 2022-01-18

Nearby now · within 120 nm

Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 39.3 nm
Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 92.7 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.