Surveys

Survey operations in progress until 23 sep by M/V sw diamond towing nine 225 meter long cables in area bound…

Western South Atlantic · HYDROLANT 2381/22

issued
2022-09-20 08:26Z
status
cancelled 2022-09-23 06:30Z (archive)
self-cancels
2022-09-24 00:01Z
cancels
HYDROLANT 2361/22
authority
NAVAREA V 468/22 200312Z SEP 22.
sea
South Atlantic Ocean
position
-25.498, -42.824
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
   23 SEP BY M/V SW DIAMOND
   TOWING NINE 225 METER LONG CABLES
   IN AREA BOUND BY
   25-35.49S 042-37.45W, 25-23.55S 043-01.14W,
   25-24.24S 043-01.42W, 25-36.17S 042-37.77W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 240001Z SEP 22.
3. CANCEL HYDROLANT 2361/22.

This area · survey operations

571 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

00
05
10
15
20
24

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

83 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.