Surveys
Survey operations in progress until 05 jun by M/V ramform tethys towing 16 9300 meter long cables in area…
Western South Atlantic · Brazil-northeast Coast · HYDROLANT 1706/18
- issued
- 2018-05-31 09:18Z
- status
- cancelled 2018-06-06 00:01Z (archive)
- authority
- NAVAREA V 113/18 310230Z MAY 18.
- position
- -7.040, -35.110
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-NORTHEAST COAST. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 05 JUN BY M/V RAMFORM TETHYS TOWING 16 9300 METER LONG CABLES IN AREA BOUND BY 04-12.85S 036-13.50W, 04-33.00S 034-21.00W, 07-50.50S 033-59.60W, 09-41.70S 034-38.20W, 10-37.90S 035-36.20W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 06 JUN 18.
This area · survey operations
58 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
15
20
24
- Survey operations in progress until 241000Z apr by M/V taurus in area bound by 06-56.53S 034-49.48W,…2024-03-16
- Survey operations in progress until 092100Z mar by M/V taurus in area bound by 06-50.45S 034-45.38W,…2024-03-05
- 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
- Underwater operations 1100Z to 1900Z daily 15 thru 22 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-06-14
- Underwater operations 1100Z to 1900Z daily 01 thru 06 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-05-31
- Survey operations in progress until 15 apr by M/V ocean dream and M/V bgp pioneer eco warrior each towing…2020-03-16
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
- Hazardous operations 03 aug thru 11 sep in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…Exercises · 68.4 nm
- Tamandare light 08-45.57S 035-06.08W unlit until 02 novNav aids · 103.3 nm
- Odas buoy established in 05-09.46S 035-09.81WNav aids · 113 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.