Surveys
Brazil-south coast DNC 01
Western South Atlantic · HYDROLANT 266/22
- issued
- 2022-01-28 01:34Z
- status
- cancelled 2022-01-28 15:59Z (archive)
- authority
- NAVAREA V COASTAL S 73/22 280054Z JAN 22.
- sea
- South Atlantic Ocean
- position
- -29.183, -43.908 · r 2.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST DNC 01. 1. UNDERWATER OPERATIONS 28 JAN RO 31 MAY BY DREDGE GALILEO GALILEI IN AREA WITHIN TWO MILES OF 29-11.0S 043-54.5W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 01 JUN 22.
This area · survey operations
169 within 180 nm since 2000 · 1 in the last 12 months · 1 in force now
00
05
10
15
20
25
26
- Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…2026-08-09
- 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
- Survey operations in progress until 01 mar by M/V ramform victory towing ten 8800 meter long cables in area…2024-02-16
- Survey operations in progress until 15 feb by M/V ramform victory towing ten 8800 meter cables in area bound…2024-02-06
- Survey operations in progress until 31 jan by vessel M/V ramform victory towing ten 8800 meter long cables…2024-01-15
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
- Cancel HYDROLANT 214/22, 266/22 and this msgcancelled by · 2022-01-28
Nearby now · within 120 nm
Nothing else in force within 120 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.