Surveys
Survey operations in progress until 16 jun by M/V selmar I in areas bound by: a. 03-41.77S 038-29.27W,…
Western South Atlantic · Brazil-north Coast · HYDROLANT 1917/18
- issued
- 2018-06-15 08:23Z
- status
- cancelled 2018-06-17 00:01Z (archive)
- authority
- NAVAREA V COASTAL N 469/18 150524Z JUN 18.
- position
- -3.672, -38.515
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC.
BRAZIL-NORTH COAST.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 16 JUN
BY M/V SELMAR I IN AREAS BOUND BY:
A. 03-41.77S 038-29.27W, 03-42.30S 038-28.28W,
03-34.07S 038-29.68W, 03-42.56S 038-29.73W.
B. 03-42.95S 038-31.94W, 03-41.22S 038-31.92W,
03-40.00S 038-34.34W, 03-41.78S 038-34.34W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 17 JUN 18.
This area · survey operations
78 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
- 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
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
73 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.