Surveys

Survey operations in progress until further notice by M/V ridley thomas along trackline joining 26-26S…

HYDROPAC 910/09

issued: 2009-05-11 20:10Z
status: cancelled 2009-07-20 00:01Z (archive)
cancels: HYDROPAC 845/09
authority: NAVAREA VII 96/09 110642Z MAY 09.
position: -28.055, 33.306
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V RIDLEY THOMAS ALONG TRACKLINE JOINING
   26-26S 034-34E, 27-07S 034-05E,
   28-59S 032-46E, 29-09S 032-20E,
   29-04S 032-04E, 29-00S 032-00E,
   28-58S 031-47E, 28-57S 031-46E.
   1.5 MILE BERTH REQUESTED.
2. CANCEL HYDROPAC 845/09.

This area · survey operations

3 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations in progress until further notice by M/V ridley thomas along trackline joining 26-25S…cancels · 2009-04-30
Survey operations in progress until further notice by M/V ridley thomas along trackline joining 26-25S…replaced · 2009-04-30
Cancel HYDROPAC 910/09 and this msgcancelled by · 2009-07-17

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

73 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.