Surveys
Underwater operations 0900Z to 0300Z commencing daily 26 nov thru 30 may 16 in area bound by 02-57.64S…
Brazil-north Coast · HYDROLANT 2926/15
- issued
- 2015-11-27 00:30Z
- status
- cancelled 2016-05-31 04:00Z (archive)
- self-cancels
- 2016-05-31 04:00Z
- authority
- NAVAREA V N 1129/15 262354Z NOV 15.
- sea
- South Atlantic Ocean
- position
- -3.028, -38.938
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTH COAST. DNC 01. 1. UNDERWATER OPERATIONS 0900Z TO 0300Z COMMENCING DAILY 26 NOV THRU 30 MAY 16 IN AREA BOUND BY 02-57.64S 038-58.62W, 02-58.61S 038-57.58W, 02-58.97S 038-58.92W, 03-01.77S 039-02.57W, 03-02.21S 039-02.39W, 03-02.49S 038-59.11W, 03-03.32S 038-55.27W, 03-03.74S 038-53.65W, 03-04.84S 038-49.11W, 03-05.42S 038-47.65W. 2. CANCEL THIS MSG 310400Z MAY 16.
This area · survey operations
62 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
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.