Surveys
Hydrographic survey in progress until further notice by M/V rou 22 oyarvide within five miles of 34-09S…
HYDROLANT 873/01
- issued
- 2001-03-16 07:25Z
- status
- cancelled 2001-04-05 18:06Z (archive)
- authority
- NAVAREA VI 71/01 160200Z MAR 01
- sea
- South Atlantic Ocean
- position
- -34.150, -53.400 · r 5.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
HYDROGRAPHIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE BY M/V ROU 22 OYARVIDE WITHIN FIVE MILES OF 34-09S 053-24W.
This area · survey operations
116 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now
98
00
05
10
15
17
- 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
- Survey operations 12 apr by M/V polarcus alima towing 12 8100 meter long cables along trackline between…2017-04-11
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 09 apr along trackline joining…2017-04-09
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 08 apr along trackline between…2017-04-08
- Survey operations by M/V polarcus alima towing 12 8100 meter long cables: a. 07 apr along trackline between…2017-04-07
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
- Cancel HYDROLANT 873/01(24)cancelled by · 2001-04-05
Nearby now · within 120 nm
- Radiobeacon at chui light 33-44.6S 053-22.5W off air until 17 jan 27Nav aids · 24.4 nm
- Odas buoy temporarily established in 32-32.46S 052-06.03W until 31 dec 27Nav aids · 116.5 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.