Surveys

Underwater operations 180700Z aug to 190300Z sep by M/V acergy harrier vicinity 19-33.18S 039-31.03W

Brazil-east Coast · HYDROLANT 1560/10

issued
2010-08-18 00:31Z
status
cancelled 2010-08-27 01:07Z (archive)
self-cancels
2010-09-19 04:00Z
authority
NAVAREA V E 1161/10 18 AUG 10.
sea
South Atlantic Ocean
position
-19.553, -39.517
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-EAST COAST.
1. UNDERWATER OPERATIONS 180700Z AUG TO 190300Z SEP
   BY M/V ACERGY HARRIER VICINITY
   19-33.18S 039-31.03W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 190400Z SEP.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2010-08-18 07:00Z2010-09-19 03:00Z764 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · survey operations

509 within 180 nm since 2000 · 21 in the last 12 months · 12 in force now

00
05
10
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20
25
26

Season · when survey operations happen here

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F
M
A
M
J
J
A
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N
D

month of issue, all years in the archive

Timeline

Nearby now · within 120 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.