Surveys

Underwater operations in progress until 14 may by M/V joides resolution in area within two miles of…

Western South Atlantic · HYDROLANT 1287/21

issued
2021-05-11 12:49Z
status
cancelled 2021-05-14 19:38Z (archive)
authority
NAVAREA V 208/21 111226Z MAY 21.
position
-30.722, -26.695 · r 2.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 14 MAY
   BY M/V JOIDES RESOLUTION IN AREA WITHIN TWO MILES
   OF 30-43.32S 026-41.71W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 15 MAY 21.

This area · survey operations

6 within 180 nm since 2021 · 0 in the last 12 months · 0 in force now

21
22

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

Nothing else in force within 120 nm.

Worldwide now

73 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.