Cable ops

Seismic survey in progress until 09 mar by M/V cgg harmattan towing six 6000 meter long cables in area…

HYDROLANT 781/01

issued: 2001-03-08 06:10Z
status: cancelled 2001-03-10 00:00Z (archive)
cancels: HYDROLANT 666/01
authority: NAVAREA V 439/01; NAVAREA V 437/01 080401Z MAR 01
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY IN PROGRESS UNTIL 09 MAR BY M/V CGG HARMATTAN
   TOWING SIX 6000 METER LONG CABLES IN AREA BETWEEN
   19-50S 20-26S AND 039-05W 039-45W. FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 666/01.
3. CANCEL THIS MSG 10 MAR.

Timeline

Morro branco light 04-09.7S 038-06.5W unlitcancels · 2001-02-25
Morro branco light 04-09.7S 038-06.5W unlitreplaced · 2001-02-25

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

40 cable & pipeline work in force · see all

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work →

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.