Surveys
Survey operations 15 thru 21 feb by M/V polarcus adira towing 9000 meter long cable in area bound by 25-22S…
Western South Atlantic · Brazil-south Coast · HYDROLANT 512/17
- issued
- 2017-02-14 21:18Z
- status
- cancelled 2017-02-22 00:01Z (archive)
- authority
- NAVAREA V COASTAL 155/17 142103Z FEB 17.
- sea
- South Atlantic Ocean
- position
- -25.221, -44.342
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. SURVEY OPERATIONS 15 THRU 21 FEB BY M/V POLARCUS ADIRA TOWING 9000 METER LONG CABLE IN AREA BOUND BY 25-22S 044-24W, 25-21S 044-24W, 25-20S 044-25W, 25-20S 044-26W, 25-05S 044-17W, 25-05S 044-16W, 25-06S 044-16W, 25-06S 044-15W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 22 FEB 17.
This area · survey operations
603 within 180 nm since 2000 · 3 in the last 12 months · 0 in force now
00
05
10
15
20
25
26
- Underwater operations 1000Z to 2000Z daily until 25 aug by vessel nomar in 24-07.27S 046-09.30W2026-08-20
- Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…2026-08-19
- Underwater operations in progress until 280259Z aug by M/V siem pilot in 24-35.02S 042-15.37W2026-08-19
- Underwater operations in progress until 19 may in 23-04.0S 043-02.5W2024-04-21
- Survey operations 17 apr thru 08 may by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W, 25-05.99S…2024-04-17
- Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…2024-04-16
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
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 97.7 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 105.7 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 119.8 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.