Surveys

Hydrographic survey operations in progress until 23 jul by M/V taurus in area between 23-49S 24-20S and…

HYDROLANT 720/99

issued: 1999-04-14 07:05Z
status: cancelled 1999-07-30 16:45Z (archive)
cancels: HYDROLANT 656/99 HYDROLANT 657/99 HYDROLANT 705/99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY OPERATIONS IN PROGRESS UNTIL 23 JUL BY
   M/V TAURUS IN AREA BETWEEN 23-49S 24-20S AND 045-23W 045-43W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 656/99, 657/99, 705/99.

Timeline

Laje da conceicao light 24-14.2S 046-41.4W unlitreplaced · 1999-04-05
Queimada grande light 24-28.7S 046-40.6W unlitreplaced · 1999-04-05
Distress signal received in vicinity 22-12.0S 040-43.0Wreplaced · 1999-04-10
HYDROLANT messages in force 301600Z jul 1999cancelled by · 1999-07-30

Nearby now · within 120 nm

Nothing else in force 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.