Surveys

Oceanographic operations in progress until 121200Z nov in area between 31-30N 32-40N and 014-40W 016-15W

HYDROLANT 1804/04

issued
2004-11-09 13:10Z
status
cancelled 2004-11-12 13:00Z (archive)
self-cancels
2004-11-12 13:00Z
cancels
HYDROLANT 1799/04
authority
NAVAREA II 332/04 091301Z NOV 04.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS IN PROGRESS
   UNTIL 121200Z NOV IN AREA BETWEEN
   31-30N 32-40N AND 014-40W 016-15W.
2. CANCEL HYDROLANT 1799/04.
3. CANCEL THIS MSG 121300Z NOV.

Timeline

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.