Surveys
Survey operations 25 thru 31 may by M/V hai yang shi you 720 in area bound by 26-36S 044-13W, 26-24S…
Western South Atlantic · HYDROLANT 1395/21
- issued
- 2021-05-24 21:03Z
- status
- cancelled 2021-06-01 00:01Z (archive)
- authority
- NAVAREA V 227/21 242033Z MAY 21.
- sea
- South Atlantic Ocean
- position
- -26.835, -44.816
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS 25 THRU 31 MAY BY M/V HAI YANG SHI YOU 720 IN AREA BOUND BY 26-36S 044-13W, 26-24S 044-21W, 27-01S 045-24W, 27-16S 045-12W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 01 JUN 21.
This area · survey operations
500 within 180 nm since 1999 · 4 in the last 12 months · 2 in force now
99
00
05
10
15
20
25
26
- Underwater operations 1000Z to 2000Z daily until 25 aug by vessel nomar in 24-07.27S 046-09.30W2026-08-20
- Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…2026-08-19
- Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…2026-08-09
- Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92W2026-02-27
- 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 1100Z to 2000Z daily 06 apr thru 05 may in 24-07.11S 046-08.76W2024-04-06
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
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.