Surveys

Underwater operations by M/V belgica in areas: a. 220600Z to 230200Z may in 48-12N 007-36W

HYDROLANT 866/07

issued
2007-05-22 14:37Z
status
cancelled 2007-05-25 03:00Z (archive)
self-cancels
2007-05-25 03:00Z
authority
NAVAREA II 193/07 221330Z MAY 07.
sea
Celtic Sea
position
47.775, -7.492
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS BY M/V BELGICA IN AREAS:
   A. 220600Z TO 230200Z MAY IN 48-12N 007-36W.
   B. 230400Z TO 231200Z MAY IN 47-25N 007-16W.
   C. 231700Z TO 240100Z MAY IN 47-41N 008-12W.
   D. 240600Z TO 250200Z MAY IN 47-48N 006-54W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 250300Z MAY.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2007-05-22 06:00Z2007-05-23 02:00Z20 h
2007-05-23 04:00Z2007-05-23 12:00Z8 h
2007-05-23 17:00Z2007-05-24 01:00Z8 h
2007-05-24 06:00Z2007-05-25 02:00Z20 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · survey operations

470 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

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

83 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.