Surveys

Underwater operations in progress until further notice by M/V maersk forwarder vicinity of trackline between…

HYDROLANT 763/01

issued
2001-03-07 00:00Z
status
cancelled 2001-03-07 23:35Z (archive)
cancels
HYDROLANT 732/01
authority
WZ 556/01 062214Z MAR 01
sea
North Sea
position
51.367, 2.400
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V MAERSK FORWARDER VICINITY OF TRACKLINE BETWEEN
   51-24N 002-26E AND 51-20N 002-22E. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 732/01.

This area · survey operations

463 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now

97
00
05
10
15
20
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

86 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.