Surveys

Oceanographic operations 20 thru 25 feb by M/V antares within 15 miles of: a. 04-00N 038-00W

HYDROLANT 357/99

issued
1999-02-19 07:30Z
status
cancelled 1999-02-26 00:00Z (archive)
sea
North Atlantic Ocean
position
4.000, -38.000 · r 15.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS 20 THRU 25 FEB
   BY M/V ANTARES WITHIN 15 MILES OF:
   A. 04-00N 038-00W.
   B. 00-00  035-00W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 26 FEB.

This area · survey operations

2 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00

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

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.