Surveys

Hydrographic survey 23 thru 25 apr by M/V amorim do valle within 30 miles of 28-30S 047-10W

HYDROLANT 734/09

issued
2009-04-20 01:38Z
status
cancelled 2009-04-26 00:01Z (archive)
authority
NAVAREA V 801/09 200040Z APR 09.
sea
South Atlantic Ocean
position
-28.500, -47.167 · r 30.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY 23 THRU 25 APR
   BY M/V AMORIM DO VALLE WITHIN
   30 MILES OF 28-30S 047-10W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 26 APR.

This area · survey operations

117 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
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

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.