Surveys

Survey operations by M/V pourquoi pas: a. 090001Z to 110001Z may along trackline between 41-26.4N 009-08.8W…

Eastern North Atlantic · Portugal-west Coast · HYDROLANT 797/10

issued
2010-05-06 15:43Z
status
cancelled 2010-05-20 01:00Z (archive)
self-cancels
2010-05-20 01:00Z
authority
NAVAREA II 168/10 061445Z MAY 10.
sea
North Atlantic Ocean
position
40.619, -9.303
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
PORTUGAL-WEST COAST.
1. SURVEY OPERATIONS BY M/V POURQUOI PAS:
   A. 090001Z TO 110001Z MAY
      ALONG TRACKLINE BETWEEN
      41-26.4N 009-08.8W AND 39-47.9N 009-27.5W.
   B. 092000Z TO 160001Z MAY
      IN AREA BETWEEN
      39-40.0N 40-20.0N AND 009-00.0W 009-40.0W.
   C. 160001Z TO 200001Z MAY
      IN AREA BETWEEN
      38-20.0N 39-10.0N AND 009-25.0W 011-00.0W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 200100Z MAY.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2010-05-09 00:01Z2010-05-11 00:01Z48 h
2010-05-09 20:00Z2010-05-16 00:01Z148 h 01
2010-05-16 00:01Z2010-05-20 00:01Z96 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

40 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

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.