Surveys
Underwater operations in progress until 242100Z jan 24 by M/V bold maverick in area bound by 23-02.71S…
Western South Atlantic · Brazil · HYDROLANT 1948/23
- issued
- 2023-08-30 21:29Z
- status
- cancelled 2024-01-24 22:00Z (archive)
- self-cancels
- 2024-01-24 22:00Z
- cancels
- HYDROLANT 1869/23
- authority
- NAVAREA V COASTAL 481/23 302105Z AUG 23.
- sea
- South Atlantic Ocean
- position
- -24.248, -44.103
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 242100Z JAN 24 BY M/V BOLD MAVERICK IN AREA BOUND BY 23-02.71S 043-29.21W, 24-14.08S 042-47.55W, 24-27.97S 042-39.85W, 24-31.12S 042-18.25W, 24-58.97S 042-46.77W, 25-31.27S 042-56.07W, 24-05.90S 046-30.46W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1869/23. 3. CANCEL THIS MSG 242200Z JAN 24.
This area · survey operations
549 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
15
20
24
- 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
- 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
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
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 62.8 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 85 nm
- Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 90.5 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.