Surveys
Underwater operations 1100Z to 2000Z daily 10 thru 17 feb in 24-11S 046-21W
Western South Atlantic · Brazil-south Coast · HYDROLANT 407/22
- issued
- 2022-02-10 03:25Z
- status
- cancelled 2022-02-11 16:06Z (archive)
- self-cancels
- 2022-02-17 21:00Z
- authority
- NAVAREA V COASTAL S 123/22 100241Z FEB 22.
- position
- -24.183, -46.350
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. UNDERWATER OPERATIONS 1100Z TO 2000Z DAILY 10 THRU 17 FEB IN 24-11S 046-21W. 2. CANCEL THIS MSG 172100Z FEB 22.
This area · survey operations
194 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
24
- 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
- Underwater operations 1100Z to 2000Z daily 28 feb thru 26 mar by M/V big john VI, M/V rodrigo neto I and M/V…2024-02-28
- Underwater operations in progress until 072000Z mar in 24-09.24S 046-12.68W2024-02-08
- Underwater operations 071100Z feb to 062000Z mar in 24-10.04S 046-14.53W2024-02-07
- Underwater operations 1100Z to 2000Z daily 25 jan thru 01 feb in 24-10.04S 046-14.53W2024-01-24
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
Nearby now · within 120 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 18.9 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 38.8 nm
Worldwide now
73 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.