Surveys

Underwater operations in progress until further notice by M/V polar prince vicinity 42-11N 012-04W

HYDROLANT 1235/04

issued
2004-07-23 23:10Z
status
cancelled 2004-11-15 11:44Z (archive)
cancels
HYDROLANT 913/04
authority
NAVAREA II 238/04 230905Z JUL 04.
sea
North Atlantic Ocean
position
42.183, -12.067
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL
   FURTHER NOTICE BY M/V POLAR PRINCE
   VICINITY 42-11N 012-04W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 913/04.

This area · survey operations

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

99
00
05
10
15
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23

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

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.