Surveys
Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 06 mar…
Western South Atlantic · HYDROLANT 743/17
- issued
- 2017-03-07 00:06Z
- status
- cancelled 2017-03-09 00:01Z (archive)
- cancels
- HYDROLANT 731/17
- authority
- NAVAREA VI 143/17 062350Z MAR 17.
- sea
- South Atlantic Ocean
- position
- -35.598, -51.444
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC.
DNC 07.
1. SURVEY OPERATIONS BY M/V POLARCUS ALIMA
TOWING 12 8100 METER LONG CABLES ALONG
TRACKLINES BETWEEN:
A. 06 MAR
35-26.03S 051-31.87W AND 35-38.35S 051-12.87W.
B. 06 MAR
35-37.47S 051-34.60W AND 35-34.17S 051-39.77W.
C. 07 MAR
35-25.78S 051-31.62W AND 35-38.08S 051-12.62W.
D. 07 MAR
35-45.98S 051-20.27W AND 35-33.65S 051-39.28W.
E. 07 AND 08 MAR
35-45.73S 051-20.03W AND 35-33.40S 051-39.03W.
SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 731/17.
3. CANCEL THIS MSG 09 MAR 17.
This area · survey operations
119 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 further notice by M/V pxgeo 2 towing ten 8100 meter long cables in area…2024-04-09
- Survey operations in progress until further notice by M/V pxgeo 2 towing ten 8100 meter long cabes in area…2024-03-13
- Underwater operations 261900Z feb to 071200Z mar by M/V rebecca in area bound by 33-03.07S 047-27.95W,…2024-02-27
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 16 and 17 apr along trackline…2017-04-16
- Survey operations 15 and 16 apr by M/V polarcus alima towing 12 8100 meter long cables along tracklines…2017-04-15
- Survey operations 14 thru 16 apr by M/V polarcus alima towing 12 8100 meter long cables along tracklines…2017-04-14
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
Timeline
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 05 mar…cancels · 2017-03-05
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 05 mar…replaced · 2017-03-05
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables along tracklines between: a. 08 mar…cancelled by · 2017-03-08
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.