Cable ops

Seismic survey 110300Z to 130259Z apr by M/V rig supporter in area between 20-02S 20-03S and 039-29W 039-31W

HYDROLANT 591/07

issued: 2007-04-10 13:28Z
status: cancelled 2007-04-12 06:05Z (archive)
self-cancels: 2007-04-13 03:59Z
authority: NAVAREA V 274/07 101235Z APR 07.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY 110300Z TO 130259Z APR
   BY M/V RIG SUPPORTER IN AREA BETWEEN
   20-02S 20-03S AND 039-29W 039-31W.
   FIVE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 130359Z APR.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2007-04-11 03:00Z	2007-04-13 02:59Z	—	47 h 59

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Seismic survey in progress until 121159Z apr by M/V hawk explorer towing 10000 meter long cable in area…cancelled by · 2007-04-12

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.