Cable ops

Seismic survey 250300Z mar to 010259Z apr by M/V ocean surveyor in area bound by 19-48.3S 039-50.5W,…

HYDROLANT 576/09

issued
2009-03-24 02:55Z
status
cancelled 2009-04-01 03:59Z (archive)
self-cancels
2009-04-01 03:59Z
cancels
HYDROLANT 505/09
authority
NAVAREA V E 650/09 240112Z MAR 09.
sea
South Atlantic Ocean
position
-20.140, -39.764
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY 250300Z MAR TO 010259Z APR BY
   M/V OCEAN SURVEYOR IN AREA BOUND BY
   19-48.3S 039-50.5W, 19-48.3S 039-33.2W,
   20-28.5S 039-42.3W, 20-28.5S 039-58.3W,
   21-16.1S 040-25.7W, 21-16.1S 040-05.3W.
   ONE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 505/09.
3. CANCEL THIS MSG 010359Z APR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2009-03-25 03:00Z2009-04-01 02:59Z167 h 59

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

This area · cable & pipeline work

1052 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

98
00
05
10
15
20
24

Season · when cable & pipeline work happen here

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F
M
A
M
J
J
A
S
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D

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

41 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.