Cable ops

Seismic survey in progress until further notice by M/V cgg fohn towing 4000 meter long cables in area…

HYDROLANT 1147/99

issued: 1999-06-04 13:22Z
status: cancelled 1999-06-11 09:37Z (archive)
cancels: HYDROLANT 633/99
authority: NAVAREA II 163/99 041155Z JUN 99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE BY
   M/V CGG FOHN TOWING 4000 METER LONG CABLES IN AREA BETWEEN
   04-55N 05-10N AND 003-50W 004-40W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 633/99.

Timeline

Seismic survey in progress until further notice by M/V cgg fohn towing 4000 meter long cables in area…replaced · 1999-04-01
Cancel HYDROLANT 1147/99 and this msgcancelled by · 1999-06-11

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.