Surveys
Oceanographic operations by M/V ocean surveyor towing 75 meter long cable: a. 020300Z to 030300Z dec in area…
HYDROLANT 1920/04
- issued
- 2004-12-01 05:27Z
- status
- cancelled 2004-12-05 17:42Z (archive)
- self-cancels
- 2004-12-06 04:00Z
- cancels
- HYDROLANT 1913/04
- authority
- NAVAREA V 909/04 010359Z DEC 04.
- sea
- South Atlantic Ocean
- position
- -3.372, -38.623
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. OCEANOGRAPHIC OPERATIONS BY M/V OCEAN SURVEYOR
TOWING 75 METER LONG CABLE:
A. 020300Z TO 030300Z DEC IN AREA BOUND BY
02-56.5S 038-58.8W, 03-02.9S 039-04.0W,
03-06.4S 038-49.6W, 03-06.8S 038-47.8W.
B. 030300Z TO 060300Z DEC IN AREA BOUND BY
03-04.0S 038-56.1W, 03-47.1S 038-33.0W,
03-42.1S 038-16.0W, 03-00.0S 038-40.0W.
ONE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1913/04.
3. CANCEL THIS MSG 060400Z DEC.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-12-02 03:00Z | 2004-12-03 03:00Z | — | 24 h |
| 2004-12-03 03:00Z | 2004-12-06 03:00Z | — | 72 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
76 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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00
05
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15
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23
- Survey operations in progress until 182300Z may in areas bound by: a. 02-56.00S 038-00.20W, 02-56.00S…2023-05-18
- Underwater operations 0800Z to 2100Z daily 05 sep thru 05 mar 23 by M/V paracuru in 04-52.42S 036-22.45W2022-09-05
- Survey operations in progress 0800Z to 1700Z daily until 23 jul by M/V raisa II in area bound by 03-43.71S…2020-07-17
- Underwater operations 0900Z to 2100Z daily 15 aug thru 15 dec by M/V asso trentuno, M/V surffer 1871, M/V…2019-08-14
- Underwater operations 0900Z to 2100Z daily 02 aug thru 15 dec by M/V surffer 1871, M/V surffer 1930 and M/V…2019-08-01
- Underwater operations 0800Z to 2300Z daily 01 thru 15 jul by M/V sentosa, barge smitbarge 1 and M/V corenav…2019-06-30
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Oceanographic operations in progress until 050300Z dec by M/V ocean surveyor towing 75 meter long cable in…cancels · 2004-11-30
- Oceanographic operations in progress until 050300Z dec by M/V ocean surveyor towing 75 meter long cable in…replaced · 2004-11-30
- Oceanographic operations by M/V ocean surveyor towing 75 meter long cable: a. 040300Z to 070300Z dec in area…cancelled by · 2004-12-05
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
84 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.