Surveys

Oceanographic operations in progress until 26 mar by M/V poseidon vicinity trackline joining 27-36N 025-00W,…

HYDROLANT 536/02

issued: 2002-03-08 17:21Z
status: cancelled 2002-03-27 00:00Z (archive)
cancels: HYDROLANT 523/02 HYDROLANT 531/02
authority: NAVAREA II 87/02 081631Z MAR 02; WZ 393/02 081617Z MAR 02; WZ 389/02 081158Z MAR 02
sea: North Atlantic Ocean
position: 25.061, -29.027
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS IN PROGRESS UNTIL 26 MAR
   BY M/V POSEIDON VICINITY TRACKLINE JOINING
   27-36N 025-00W, 18-00N 030-00W, 35-00N 030-00W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 523/02(35), AID RESTORED.
3. CANCEL HYDROLANT 531/02(36,37), OPERATIONS COMPLETED.
4. CANCEL THIS MSG 27 MAR.

This area · survey operations

2 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

Oceanographic operations 19 april thru 08 may by M/V poseidon vicinity of trackline joining 29-00N 015-30W,…2001-04-18

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Cape wrath light 58-38N 005-00W unreliablecancels · 2002-03-07
Underwater operations in progress until further notice by M/V cirolana vicinity 48-45N 005-25Wcancels · 2002-03-08
Cape wrath light 58-38N 005-00W unreliablereplaced · 2002-03-07
Underwater operations in progress until further notice by M/V cirolana vicinity 48-45N 005-25Wreplaced · 2002-03-08

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.