Surveys

Underwater operations 29 jul thru 14 aug by M/V atalante vicinity of trackline joining 37-50.0N 031-30.0W,…

HYDROLANT 1658/02

issued
2002-07-27 10:25Z
status
cancelled 2002-08-15 00:00Z (archive)
cancels
HYDROLANT 1375/02
authority
NAVAREA II 262/02 270830Z JUL 02; PTNM
position
37.563, -31.888
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 29 JUL THRU 14 AUG BY M/V ATALANTE
   VICINITY OF TRACKLINE JOINING 37-50.0N 031-30.0W,
   37-17.5N 032-16.6W, 36-33.5N 33-26.0W, 36-14.0N 33-54.0W.
   FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1375/02(97).
3. CANCEL THIS MSG 15 AUG.

This area · survey operations

24 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now

02
05
10
15
19

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

75 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.