Surveys

Hydrographic survey 17 thru 27 apr by M/V sirius in area between 26-29S 27-20S and 047-00W 048-38W

HYDROLANT 1309/00

issued: 2000-04-14 05:20Z
status: cancelled 2000-04-28 06:00Z (archive)
cancels: HYDROLANT 512/00
authority: NAVAREA V 870/00 140409Z APR 00; NAVAREA II 99/00 131700Z APR 00
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY 17 THRU 27 APR BY M/V SIRIUS IN
   AREA BETWEEN 26-29S 27-20S AND 047-00W 048-38W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 512/00(51), AID RESTORED.
3. CANCEL THIS MSG 28 APR.

Timeline

Sidi bou afi light 33-15N 008-31W unlitcancels · 2000-02-10
Sidi bou afi light 33-15N 008-31W unlitreplaced · 2000-02-10

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.