Surveys
Survey operations 0800Z to 2000Z daily 03 thru 10 feb by M/V mar azul and M/V fermisa vicinity 19-33.82S…
Brazil-east Coast · HYDROLANT 217/11
- issued
- 2011-02-04 01:29Z
- status
- cancelled 2011-02-10 21:00Z (archive)
- self-cancels
- 2011-02-10 21:00Z
- authority
- NAVAREA V E 97/11 040024Z FEB 11.
- sea
- South Atlantic Ocean
- position
- -19.564, -39.255
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-EAST COAST. 1. SURVEY OPERATIONS 0800Z TO 2000Z DAILY 03 THRU 10 FEB BY M/V MAR AZUL AND M/V FERMISA VICINITY 19-33.82S 039-15.33W. 2. CANCEL THIS MSG 102100Z FEB.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-02-03 08:00Z | 2011-02-03 20:00Z | — | 12 h |
| 2011-02-04 08:00Z | 2011-02-04 20:00Z | — | 12 h |
| 2011-02-05 08:00Z | 2011-02-05 20:00Z | — | 12 h |
| 2011-02-06 08:00Z | 2011-02-06 20:00Z | — | 12 h |
| 2011-02-07 08:00Z | 2011-02-07 20:00Z | — | 12 h |
| 2011-02-08 08:00Z | 2011-02-08 20:00Z | — | 12 h |
| 2011-02-09 08:00Z | 2011-02-09 20:00Z | — | 12 h |
| 2011-02-10 08:00Z | 2011-02-10 20:00Z | — | 12 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
508 within 180 nm since 2000 · 20 in the last 12 months · 11 in force now
00
05
10
15
20
25
26
- Underwater operations 0800Z to 1800Z daily 21 aug thru 04 sep by M/V capetan vassilis II and M/V comando b…2026-08-20
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V charlie and M/V comando b in 20-24.27S…2026-08-19
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V comando b and M/V linden trader in…2026-08-19
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V hui an and M/V comando b in 20-23.17S…2026-08-19
- Underwater operations 0800Z to 1800Z daily until 28 aug by M/V spar aries and M/V comando b in 20-48.85S…2026-08-18
- Underwater operations 0800Z to 1800Z daily until 29 aug by M/V comando b and M/V am kirti in 20-19.03S…2026-08-18
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
- Foul ground until 06 dec 27 in area bound by 19-53.87S 039-59.68W, 19-54.15S 039-59.27W, 19-53.08S…Wrecks · 45.7 nm
- Underwater operations 0800Z to 1800Z daily 02 thru 16 aug by M/V comando b and M/V royal topaz in 20-21.62S…Surveys · 68.9 nm
- Underwater operations in progress until 27 aug by M/V navios felix and M/V comando b in 20-22.12S 040-08.38WSurveys · 69.5 nm
- Underwater operations 0800Z to 1800Z daily 11 thru 25 aug by M/V comando b and M/V faneromeni in 20-23.00S…Surveys · 70.5 nm
- Underwater operations 0800Z to 1800Z daily 08 thru 22 aug by M/V marsanne and M/V comando b in 20-23.57S…Surveys · 70.8 nm
- Underwater operations 1100Z to 2100Z daily 12 thru 21 aug by M/V comando b and M/V faneromeni in 20-23.67S…Surveys · 71.3 nm
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 71.6 nm
- Underwater operations 1100Z to 2100Z daily 15 thru 29 aug by M/V comando b and M/V rosco banyan in 20-23.37S…Surveys · 71.9 nm
- Yellow odas buoy established in 17-58.12S 038-41.48W until 19 octNav aids · 101 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.