Surveys

Oceanographic operations by M/V charles darwin 191200Z to 211800Z nov in area between 32-00N 32-40N and…

HYDROLANT 1870/04

issued: 2004-11-20 15:08Z
status: cancelled 2004-11-21 19:00Z (archive)
self-cancels: 2004-11-21 19:00Z
cancels: HYDROLANT 1867/04
authority: NAVAREA II 348/04 201338Z NOV 04.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS BY M/V CHARLES DARWIN
   191200Z TO 211800Z NOV IN AREA BETWEEN
   32-00N 32-40N AND 014-30W 016-00W.
2. CANCEL HYDROLANT 1867/04.
3. CANCEL THIS MSG 211900Z NOV.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2004-11-19 12:00Z	2004-11-21 18:00Z	—	54 h

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

Timeline

Oceanographic operations by M/V charles darwin 191200Z to 211800Z nov in area between 31-30N 32-30N and…cancels · 2004-11-19
Oceanographic operations by M/V charles darwin 191200Z to 211800Z nov in area between 31-30N 32-30N and…replaced · 2004-11-19

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.