Surveys

Hydrographic survey in progress until 050259Z apr by M/V oyarvide in area between 34-53S 34-59S and 055-23W…

HYDROLANT 641/06

issued: 2006-04-01 02:51Z
status: cancelled 2006-04-05 03:59Z (archive)
self-cancels: 2006-04-05 03:59Z
authority: NAVAREA VI 134/06 010100Z APR 06.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL 050259Z APR
   BY M/V OYARVIDE IN AREA BETWEEN
   34-53S 34-59S AND 055-23W 055-33W.
   1.5 MILE BERTH REQUESTED.
2. CANCEL THIS MSG 050359Z APR.

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.