Surveys

Survey operations by M/V sw diamond towing 9 cables with 225 meters: a. 130300Z thru 160259Z dec in area…

Western South Atlantic · HYDROLANT 3203/22

issued: 2022-12-14 12:51Z
status: cancelled 2022-12-20 04:00Z (archive)
self-cancels: 2022-12-20 04:00Z
authority: NAVAREA V 653/22 130056Z DEC 22.
sea: South Atlantic Ocean
position: -25.542, -42.845
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS BY M/V SW DIAMOND
   TOWING 9 CABLES WITH 225 METERS:
   A. 130300Z THRU 160259Z DEC IN AREA BOUND BY
      25-23.32S 043-01.03W, 25-28.15S 043-02.88W,
      25-39.77S 042-39.84W, 25-35.28S 042-37.32W.
   B. 160300Z THRU 190259Z DEC IN AREA BOUND BY
      25-39.84S 042-39.88W, 25-41.36S 042-40.73W,
      25-30.01S 043-03.24W, 25-28.24S 043-02.89W.
   C. 190300Z THRU 200259Z DEC IN AREA BOUND BY
      25-40.95S 042-40.45W, 25-41.58S 042-40.85W,
      25-30.33S 043-03.36W, 25-29.62S 043-03.10W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 200400Z DEC 22.

This area · survey operations

570 within 180 nm since 2000 · 0 in the last 12 months · 0 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 · 56.7 nm
Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 92.3 nm

Worldwide now

86 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.