Surveys

Survey operations in progress until 07 jun by M/V sw diamond towing two 225 meter long cables in area bound…

Western South Atlantic · HYDROLANT 1424/22

issued: 2022-05-31 04:27Z
status: cancelled 2022-06-08 00:01Z (archive)
self-cancels: 2022-06-08 00:01Z
authority: NAVAREA V 290/22 310254Z MAY 22.
sea: South Atlantic Ocean
position: -25.252, -42.615
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   07 JUN BY M/V SW DIAMOND TOWING TWO
   225 METER LONG CABLES IN AREA BOUND BY
   25-07.97S 042-45.10W, 25-17.45S 042-26.17W,
   25-18.77S 042-25.98W, 25-23.08S 042-27.47W,
   25-11.65S 042-49.12W, 25-08.35S 042-46.83W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 080001Z JUN 22.

This area · survey operations

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

Season · when survey operations happen here

month of issue, all years in the archive

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 · 36.7 nm
Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 76.5 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.