Surveys

Survey operations 02 thru 08 oct by M/V sirius H-21 along trackline joining 19-45S 038-15W, 20-10S 039-25W,…

HYDROLANT 1594/04

issued
2004-09-30 09:24Z
status
cancelled 2004-10-09 00:00Z (archive)
authority
NAVAREA V 753/04 300407Z SEP 04.
position
-18.775, -38.069
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 02 THRU 08 OCT
   BY M/V SIRIUS H-21 ALONG TRACKLINE JOINING
   19-45S 038-15W, 20-10S 039-25W,
   17-20S 036-50W, 18-49S 038-07W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 09 OCT.

This area · survey operations

282 within 180 nm since 2000 · 7 in the last 12 months · 7 in force now

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26

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · 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.