Surveys

Underwater operations in progress until 010300Z oct by M/V acergy harrier vicinity 19-33.18S 039-31.03W

Brazil-east Coast · HYDROLANT 1612/10

issued
2010-08-27 01:07Z
status
cancelled 2010-10-01 04:00Z (archive)
self-cancels
2010-10-01 04:00Z
cancels
HYDROLANT 1560/10
authority
NAVAREA V E 1187/10 26 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 IN PROGRESS UNTIL
   010300Z OCT BY M/V ACERGY HARRIER
   VICINITY 19-33.18S 039-31.03W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1560/10.
3. CANCEL THIS MSG 010400Z OCT.

This area · survey operations

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

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Season · when survey operations happen here

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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.