Cable ops
Seismic survey 210300Z to 280259Z oct by M/V western monarch towing three mile long cables in area between…
Brazil-southeast Coast · HYDROLANT 1730/11
- issued
- 2011-10-21 02:25Z
- status
- cancelled 2011-10-28 03:59Z (archive)
- self-cancels
- 2011-10-28 03:59Z
- authority
- NAVAREA V E 937/11 210020Z OCT 11.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTHEAST COAST. 1. SEISMIC SURVEY 210300Z TO 280259Z OCT BY M/V WESTERN MONARCH TOWING THREE MILE LONG CABLES IN AREA BETWEEN 21-54S 22-21S AND 040-12W 039-30W. SIX MILE BERTH REQUESTED. 2. CANCEL THIS MSG 280359Z OCT.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-10-21 03:00Z | 2011-10-28 02:59Z | — | 167 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.