Surveys

Survey operations in progress until 12 dec by M/V subsea viking along trackline joining 24-58.46S…

Western South Atlantic · HYDROLANT 3112/22

issued: 2022-12-05 00:30Z
status: cancelled 2022-12-13 00:01Z (archive)
self-cancels: 2022-12-13 00:01Z
authority: NAVAREA V 634/22 050010Z DEC 22.
sea: South Atlantic Ocean
position: -24.786, -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 12 DEC
   BY M/V SUBSEA VIKING ALONG TRACKLINE JOINING
   24-58.46S 042-26.39W, 25-00.11S 042-26.31W,
   25-00.08S 042-24.62W, 24-58.42S 042-24.64W,
   24-40.44S 042-47.03W, 24-40.27S 042-38.93W,
   24-37.35S 042-40.85W, 24-37.38S 042-45.20W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 130001Z DEC 22.

This area · survey operations

597 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 · 10.1 nm
Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 78.4 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.