Surveys

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

HYDROLANT 2572/00

issued
2000-07-21 20:37Z
status
cancelled 2000-07-23 00:55Z (archive)
authority
WZ 1448/00 211828Z JUL 00
sea
English Channel
position
49.250, -1.850
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE
BY M/V SEA SPIDER VICINITY OF TRACKLINE BETWEEN
49-17N 001-41W AND 49-13N 002-01W. WIDE BERTH REQUESTED.

This area · survey operations

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

99
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

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.