Surveys
Survey operations 0800Z to 2359Z daily 15 feb thru 09 apr by M/V prof
HYDROLANT 346/06
- issued
- 2006-02-18 08:41Z
- status
- cancelled 2006-04-10 00:59Z (archive)
- self-cancels
- 2006-04-10 00:59Z
- authority
- NAVAREA V 122/06 180405Z FEB 06.
- sea
- South Atlantic Ocean
- position
- -24.509, -46.077
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 0800Z TO 2359Z DAILY 15 FEB THRU 09 APR BY M/V PROF. W. BESNARD IN AREA BOUND BY 24-15S 047-00W, 23-40S 045-45W, 24-40S 045-10W, 25-25S 046-20W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 100059Z APR.
Activity windows · 54 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2006-02-15 08:00Z | 2006-02-15 23:59Z | — | 15 h 59 |
| 2006-02-16 08:00Z | 2006-02-16 23:59Z | — | 15 h 59 |
| 2006-02-17 08:00Z | 2006-02-17 23:59Z | — | 15 h 59 |
| 2006-02-18 08:00Z | 2006-02-18 23:59Z | — | 15 h 59 |
| 2006-02-19 08:00Z | 2006-02-19 23:59Z | — | 15 h 59 |
| 2006-02-20 08:00Z | 2006-02-20 23:59Z | — | 15 h 59 |
| 2006-02-21 08:00Z | 2006-02-21 23:59Z | — | 15 h 59 |
| 2006-02-22 08:00Z | 2006-02-22 23:59Z | — | 15 h 59 |
| … 46 more | |||
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
258 within 180 nm since 1999 · 1 in the last 12 months · 0 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
- Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…2024-04-16
- Underwater operations 1100Z to 2000Z daily 06 apr thru 05 may in 24-07.11S 046-08.76W2024-04-06
- 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
- Underwater operations 1100Z to 2000Z daily 28 feb thru 26 mar by M/V big john VI, M/V rodrigo neto I and M/V…2024-02-28
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
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 33.8 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 37.4 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.