Surveys
Underwater operations 261300Z sep to 031700Z oct in 23-10.50S 043-57.21W
Western South Atlantic · Brazil · HYDROLANT 2447/22
- issued
- 2022-09-26 22:30Z
- status
- cancelled 2022-10-03 18:00Z (archive)
- self-cancels
- 2022-10-03 18:00Z
- authority
- NAVAREA V COASTAL 682/22 262128Z SEP 22.
- sea
- South Atlantic Ocean
- position
- -23.175, -43.953
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 261300Z SEP TO 031700Z OCT IN 23-10.50S 043-57.21W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 031800Z OCT 22.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-09-26 13:00Z | 2022-10-03 17:00Z | — | 172 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
441 within 180 nm since 2000 · 1 in the last 12 months · 1 in force now
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05
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15
20
25
26
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…2026-08-09
- 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
- Underwater operations 1100Z to 2000Z daily 06 apr thru 05 may in 24-07.11S 046-08.76W2024-04-06
- Survey operations in progress until 11 mar by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W,…2024-03-02
Season · when survey operations happen here
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F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 21.9 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 108.6 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 118.9 nm
Worldwide now
83 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.