Surveys
Underwater operations 0800Z to 2100Z daily 10 thru 17 oct by M/V levitico and M/V patrick le blanc in…
Brazil-north Coast · HYDROLANT 2636/16
- issued
- 2016-10-09 00:33Z
- status
- cancelled 2016-10-17 22:00Z (archive)
- self-cancels
- 2016-10-17 22:00Z
- authority
- NAVAREA V N 835/16 090024Z OCT 16.
- sea
- South Atlantic Ocean
- position
- -3.083, -38.789
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTH COAST. DNC 01. 1. UNDERWATER OPERATIONS 0800Z TO 2100Z DAILY 10 THRU 17 OCT BY M/V LEVITICO AND M/V PATRICK LE BLANC IN 03-05.00S 038-47.32W. 2. CANCEL THIS MSG 172200Z OCT 16.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-10-10 08:00Z | 2016-10-10 21:00Z | — | 13 h |
| 2016-10-11 08:00Z | 2016-10-11 21:00Z | — | 13 h |
| 2016-10-12 08:00Z | 2016-10-12 21:00Z | — | 13 h |
| 2016-10-13 08:00Z | 2016-10-13 21:00Z | — | 13 h |
| 2016-10-14 08:00Z | 2016-10-14 21:00Z | — | 13 h |
| 2016-10-15 08:00Z | 2016-10-15 21:00Z | — | 13 h |
| 2016-10-16 08:00Z | 2016-10-16 21:00Z | — | 13 h |
| 2016-10-17 08:00Z | 2016-10-17 21:00Z | — | 13 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
67 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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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
- 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 0800Z to 2300Z daily 01 thru 15 jul by M/V sentosa, barge smitbarge 1 and M/V corenav…2019-06-30
- Underwater operations 0800Z to 2300Z daily 03 thru 20 jun by tug sentosa, barge smitbarge 1 and M/V corenav…2019-06-02
- Underwater operations 0800Z to 2300Z daily 19 apr thru 03 jun by M/V sentosa and barge smitbarge 1 in…2019-04-19
- Survey operations in progress until 20 mar by M/V raisa II in area bound by 03-30.92S 038-11.75W, 03-38.21S…2019-02-26
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
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.