Surveys
Oceanographic survey by M/V charles darwin as follows: a. in progress until 041800Z nov in area bound by…
HYDROLANT 1780/04
- issued
- 2004-11-03 14:30Z
- status
- cancelled 2004-11-05 14:01Z (archive)
- self-cancels
- 2004-11-07 07:00Z
- authority
- NAVAREA II 323/04 031407Z OCT 04.
- sea
- North Atlantic Ocean
- position
- 31.639, -16.333
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. OCEANOGRAPHIC SURVEY BY M/V CHARLES DARWIN AS FOLLOWS:
A. IN PROGRESS UNTIL 041800Z NOV IN AREA BOUND BY
31-30N 016-12W, 31-39N 016-20W, 31-46N 016-28W,
31-52N 016-34W.
B. 041800Z TO 070600Z NOV IN AREA BETWEEN
31-15N 31-40N AND 016-40W 017-40W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 070700Z NOV.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-11-04 18:00Z | 2004-11-07 06:00Z | — | 60 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
15 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now
02
05
10
15
20
23
- Underwater operations 261500Z thru 281300Z feb in area within 7 miles of 29-10.00N 015-29.00W2023-02-26
- Survey operations in progress until further notice by M/V sarmiento de gamboa towing 300 meter long cable…2022-06-21
- Survey operations 30 mar thru 21 apr by M/V hesperides towing 1000 meter long cable in areas bound by: a.…2021-03-29
- Survey operations in progress until further notice by M/V kronprins haakon along trackline joining 29-06N…2019-05-08
- Oceanographic operations 100001Z to 122359Z oct by M/V angeles alvarino vicinity 29-12N 015-36W2016-10-09
- Oceanographic equipment, at depth 170 meters, established until 02 jul in: a. 33-44.550N 014-24.147W2016-06-12
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
Timeline
Nearby now · within 120 nm
Nothing else in force within 120 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.