Surveys
Underwater operations 22 thru 27 apr in area within two miles of 30-24.20S 016-55.36W
South Atlantic · HYDROLANT 1111/21
- issued
- 2021-04-22 13:39Z
- status
- cancelled 2021-04-28 00:01Z (archive)
- authority
- NAVAREA V 176/21 221322Z APR 21.
- position
- -30.403, -16.923 · r 2.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH ATLANTIC. DNC 01. 1. UNDERWATER OPERATIONS 22 THRU 27 APR IN AREA WITHIN TWO MILES OF 30-24.20S 016-55.36W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 28 APR 21.
This area · survey operations
4 within 180 nm since 2021 · 0 in the last 12 months · 0 in force now
21
22
- Underwater operations in progress until further notice by M/V joides resolution in 30-24.20S 016-55.36W2022-07-25
- Underwater operations in progress until further notice by M/V joides resolution in vicinity 30-15.60S…2022-06-22
- Underwater operations in progress until further notice by M/V joides resolution in 30-15.64S 015-02.12W2022-05-23
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
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.