Surveys
Underwater operations 1100Z to 1900Z daily 26 thru 30 oct within three miles of 07-56.77S 034-32.50W
Brazil-northeast Coast · HYDROLANT 2661/15
- issued
- 2015-10-27 00:58Z
- status
- cancelled 2015-10-30 20:00Z (archive)
- self-cancels
- 2015-10-30 20:00Z
- authority
- NAVAREA V E 1004/15 270038Z OCT 15.
- sea
- South Atlantic Ocean
- position
- -7.946, -34.542 · r 3.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-NORTHEAST COAST. DNC 01. 1. UNDERWATER OPERATIONS 1100Z TO 1900Z DAILY 26 THRU 30 OCT WITHIN THREE MILES OF 07-56.77S 034-32.50W. 2. CANCEL THIS MSG 302000Z OCT 15.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-10-26 11:00Z | 2015-10-26 19:00Z | — | 8 h |
| 2015-10-27 11:00Z | 2015-10-27 19:00Z | — | 8 h |
| 2015-10-28 11:00Z | 2015-10-28 19:00Z | — | 8 h |
| 2015-10-29 11:00Z | 2015-10-29 19:00Z | — | 8 h |
| 2015-10-30 11:00Z | 2015-10-30 19:00Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
33 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
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05
10
15
20
24
- Survey operations in progress until 241000Z apr by M/V taurus in area bound by 06-56.53S 034-49.48W,…2024-03-16
- Survey operations in progress until 092100Z mar by M/V taurus in area bound by 06-50.45S 034-45.38W,…2024-03-05
- Underwater operations 1100Z to 1900Z daily 15 thru 22 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-06-14
- Underwater operations 1100Z to 1900Z daily 01 thru 06 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-05-31
- Survey operations in progress until 15 apr by M/V ocean dream and M/V bgp pioneer eco warrior each towing…2020-03-16
- Survey operations 03 thru 13 mar by M/V bgp pioneer towing 12500 meter long cable in area bound by 04-34.47S…2020-03-03
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
- Tamandare light 08-45.57S 035-06.08W unlit until 02 novNav aids · 59.1 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.