Surveys

Underwater operations in progress until further notice within two miles of 06-22.83S 011-00.58E

HYDROLANT 1426/07

issued
2007-08-15 20:01Z
status
cancelled 2007-12-27 10:37Z (archive)
authority
NAVRAEA VII 123/07 151935Z AUG 07.
sea
South Atlantic Ocean
position
-6.380, 11.010 · r 2.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
WITHIN TWO MILES OF 06-22.83S 011-00.58E. WIDE BERTH REQUESTED.

This area · survey operations

72 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now

03
05
10
15
20
25
26

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

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.