Surveys

Oceanographic operations 11 thru 22 mar by M/V antares in area bound by 06-20S 034-55W, 05-25S 032-13W,…

HYDROLANT 551/02

issued: 2002-03-10 06:24Z
status: cancelled 2002-03-23 00:00Z (archive)
cancels: HYDROLANT 477/02 HYDROLANT 550/02
authority: NAVAREA V 316/02; NAVAREA V 318/02 100456Z MAR 02; WZ 405/02 100334Z MAR 02
sea: South Atlantic Ocean
position: -4.375, -34.870
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS 11 THRU 22 MAR BY M/V ANTARES
   IN AREA BOUND BY 06-20S 034-55W, 05-25S 032-13W,
   03-58S 032-58W, 02-55S 034-11W, 02-15S 035-49W,
   04-15S 037-30W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 477/02.
3. CANCEL HYDROLANT 550/02(36), AID RESTORED.
4. CANCEL THIS MSG 23 MAR.

This area · survey operations

57 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Man overboard vicinity of trackline between cabo maguari and ilha do machasinho at 270100Z febcancels · 2002-03-01
Sanda island light 55-17N 005-35W unreliablecancels · 2002-03-09
Man overboard vicinity of trackline between cabo maguari and ilha do machasinho at 270100Z febreplaced · 2002-03-01
Sanda island light 55-17N 005-35W unreliablereplaced · 2002-03-09

Nearby now · within 120 nm

Odas buoy established in 05-09.46S 035-09.81WNav aids · 50.2 nm
Odas buoy bravo rn-l temporarily established until 20 oct in 04-53.00S 035-46.01WNav aids · 61.7 nm
Hazardous operations 03 aug thru 11 sep in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…Exercises · 93.4 nm

Worldwide now

86 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.