Surveys

Survey operations 10 thru 20 sep by M/V sirius in area between 03-20S 03-55S and 038-10W 039-10W

HYDROLANT 2420/01

issued: 2001-09-07 05:40Z
status: cancelled 2001-09-21 00:00Z (archive)
cancels: HYDROLANT 2410/01
authority: NAVAREA V 1383/01; NAVAREA V 1391/01 070358Z SEP 01
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 10 THRU 20 SEP BY M/V SIRIUS IN
   AREA BETWEEN 03-20S 03-55S AND 038-10W 039-10W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2410/01.
3. CANCEL THIS MSG 21 SEP.

Timeline

Hazardous operations in progress until 112000Z sep within 3.5 miles of 05-55S 035-04Wcancels · 2001-09-05
Hazardous operations in progress until 112000Z sep within 3.5 miles of 05-55S 035-04Wreplaced · 2001-09-05

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.