Surveys

Underwater operations in progress until 17 jul by S/V aysso in area between 26-25S 27-45S and 047-20W 048-10W

Brazil-south Coast · HYDROLANT 1133/11

issued
2011-07-12 03:20Z
status
cancelled 2011-07-18 00:01Z (archive)
authority
NAVAREA V S 575/11 120022Z JUL 11.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
1. UNDERWATER OPERATIONS IN PROGRESS
   UNTIL 17 JUL BY S/V AYSSO
   IN AREA BETWEEN
   26-25S 27-45S AND 047-20W 048-10W.
   THREE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 18 JUL.

Nearby now · within 120 nm

Nothing else in force 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.