Surveys
Survey operations 190600Z nov to 030001Z dec by M/V tenente castelo in area bound by 00-54.2N 049-54.1W,…
HYDROLANT 2131/05
- issued
- 2005-11-19 05:55Z
- status
- cancelled 2005-12-03 01:01Z (archive)
- self-cancels
- 2005-12-03 01:01Z
- authority
- NAVAREA V 939/05 190401Z NOV.
- sea
- North Atlantic Ocean
- position
- 0.976, -49.737
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 190600Z NOV TO 030001Z DEC BY M/V TENENTE CASTELO IN AREA BOUND BY 00-54.2N 049-54.1W, 00-49.6N 049-56.5W, 00-47.6N 049-54.9W, 00-51.8N 049-44.7W, 00-56.2N 049-36.9W, 01-11.0N 049-35.3W, 01-12.4N 049-36.6W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 030101Z DEC.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2005-11-19 06:00Z | 2005-12-03 00:01Z | — | 330 h 01 |
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
13 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
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05
10
15
20
23
- Survey operations in progress until 260300Z jan 24 by M/V c-warrior and M/V c-viking in area within ten…2023-05-25
- Survey operations in progress until 052100Z may by M/V guilherme V in area bound by 01-34.98N 049-01.40W,…2023-04-15
- Survey operations 051000Z nov to 051000Z dec by M/V tenente castelo in area bound by 00-55.20N 049-56.00W,…2022-11-04
- Survey operations 260300Z sep to 260300Z may 23 in area within ten miles of 00-14.49S 047-23.07W2022-09-25
- Survey operations in progress until 10 aug by M/V nhisirius in area bound by 01-21.82N 049-21.70W, 01-21.82N…2019-08-02
- Survey operations in progress 31 jul thru 02 aug by M/V nhisirius in area bound by 01-23.42N 049-24.08W,…2019-07-30
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
- Dangerous wreck in 00-24.48N 047-50.68WWrecks · 118.6 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.