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.