Surveys

Survey operations in progress until further notice by M/V ridley thomas in 10-30S 041-40E

HYDROPAC 689/09

issued
2009-04-06 13:22Z
status
cancelled 2009-04-07 10:18Z (archive)
authority
NAVAREA VII 73/09 060945Z APR 09.
position
-10.500, 41.667
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
BY M/V RIDLEY THOMAS IN 10-30S 041-40E.
WIDE BERTH REQUESTED.

This area · survey operations

9 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now

08
10
12

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

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.