Surveys
Underwater operations 1100Z to 2000Z 07 thru 14 sep in 24-13.88S 046-19.78W
Western South Atlantic · Brazil · HYDROLANT 2012/23
- issued
- 2023-09-07 06:37Z
- status
- cancelled 2023-09-14 21:00Z (archive)
- self-cancels
- 2023-09-14 21:00Z
- authority
- NAVAREA V COASTAL 498/23 070402Z SEP 23.
- sea
- South Atlantic Ocean
- position
- -24.231, -46.330
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 1100Z TO 2000Z 07 THRU 14 SEP IN 24-13.88S 046-19.78W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 142100Z SEP 23.
This area · survey operations
203 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
- Survey operations in progress until 30 apr by M/V ramform victory towing ten 8800 meter long cables in area…2024-04-03
- Survey operations in progress until 31 mar by M/V ramform victory towing ten 8800 meter long cables in area…2024-03-07
- 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
- Survey operations in progress until 01 mar by M/V ramform victory towing ten 8800 meter long cables in area…2024-02-16
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
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 19.8 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 38.2 nm
Worldwide now
86 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.