Surveys
Netherlands
North Sea · Belgium · England · France · HYDROLANT 1209/22
- issued
- 2022-05-04 14:20Z
- status
- cancelled 2022-05-04 15:49Z (archive)
- self-cancels
- 2022-05-17 00:59Z
- authority
- WZ 526/22 040120Z MAY 22.
- position
- -51.343, 2.144
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH SEA.
BELGIUM.
ENGLAND.
FRANCE.
NETHERLANDS.
DNC 20.
1. UNDERWATER OPERATIONS IN PROGRESS
UNTIL 162359Z MAY BY S/V ARTABRO IN VICINITY
OF TRACKLINE JOINING
51-25.2S 002-07.2E, 51-29.2S 001-43.7E,
51-22.7S 001-26.7E, 51-13.9S 002-53.6E,
51-22.4S 002-32.2E.
2. CANCEL THIS MSG 170059Z MAY 22.
This area · survey operations
1 within 180 nm since 2022 · 0 in the last 12 months · 0 in force now
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
73 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.