Surveys
Hydrographic survey 071200Z to 180159Z dec by M/V oyarvide in area bound by 34-30S 053-35W, 34-36S 053-30W,…
HYDROLANT 1959/04
- issued
- 2004-12-08 02:01Z
- status
- cancelled 2004-12-18 02:59Z (archive)
- self-cancels
- 2004-12-18 02:59Z
- authority
- NAVAREA VI 357/04 080200Z DEC 04.
- sea
- South Atlantic Ocean
- position
- -34.476, -53.473
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROGRAPHIC SURVEY 071200Z TO 180159Z DEC BY M/V OYARVIDE IN AREA BOUND BY 34-30S 053-35W, 34-36S 053-30W, 34-26S 053-21W, 34-22S 053-28W. 1.5 MILE BERTH REQUESTED. 2. CANCEL THIS MSG 180259Z DEC.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-12-07 12:00Z | 2004-12-18 01:59Z | — | 253 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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 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
- 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
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
- Radiobeacon at chui light 33-44.6S 053-22.5W off air until 17 jan 27Nav aids · 44.3 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.