Surveys
Underwater operations 021100Z jul to 102300Z oct by M/V acergy discovery in 23-41S 045-13W
HYDROLANT 1224/09
- issued
- 2009-07-01 03:47Z
- status
- cancelled 2009-10-11 00:01Z (archive)
- self-cancels
- 2009-10-11 00:01Z
- authority
- NAVAREA V S 1370/09 01 JUL 09.
- sea
- South Atlantic Ocean
- position
- -23.683, -45.217
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 021100Z JUL TO 102300Z OCT BY M/V ACERGY DISCOVERY IN 23-41S 045-13W. TWO MILE BERTH REQUESTED. 2. CANCEL THIS MSG 110001Z OCT.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-07-02 11:00Z | 2009-10-10 23:00Z | — | 2412 h |
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
423 within 180 nm since 2000 · 3 in the last 12 months · 0 in force now
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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 · 34.6 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 55.2 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 87.4 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.