Surveys

Oceanographic operations 121200Z to 151200Z nov by M/V charles darwin in area between 32-00N 32-50N and…

HYDROLANT 1830/04

issued
2004-11-12 13:43Z
status
cancelled 2004-11-14 14:34Z (archive)
self-cancels
2004-11-15 13:00Z
cancels
HYDROLANT 1818/04
authority
NAVAREA II 335/04 121310Z NOV 04.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS 121200Z TO 151200Z NOV
   BY M/V CHARLES DARWIN IN AREA BETWEEN
   32-00N 32-50N AND 012-20W 014-40W.
2. CANCEL HYDROLANT 1818/04.
3. CANCEL THIS MSG 151300Z NOV.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2004-11-12 12:00Z2004-11-15 12:00Z72 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

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.