Surveys
Oceanographic operations 10 thru 20 apr by M/V poseidon along trackline joining 30-00N 024-00W, 33-00N…
HYDROLANT 1223/00
- issued
- 2000-04-07 09:25Z
- status
- cancelled 2000-04-08 08:55Z (archive)
- cancels
- HYDROLANT 1042/00
- authority
- NAVAREA II 91/00 070810Z APR 00
- position
- 33.438, -21.893
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. OCEANOGRAPHIC OPERATIONS 10 THRU 20 APR BY M/V POSEIDON ALONG TRACKLINE JOINING 30-00N 024-00W, 33-00N 022-00W, 37-00N 020-00W. 2. CANCEL HYDROLANT 1042/00.
This area · survey operations
9 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
15
18
- Survey operations from 26 may thru 23 jun by sarmiento de gamboa in area bound by 20-02N 021-02W, 25-00N…2018-05-25
- Hydrographic survey 03 thru 10 dec by M/V d. carlos I in area bound by 32-09.78N 021-54.43W, 32-11.59N…2012-12-02
- Underwater operations in progress until further notice by M/V poseidon with submersible vicinity of 31-00N…2010-09-08
- Oceanographic operations 17 oct thru 11 nov by M/V hesperides along trackline joining 37-00.0N 010-02.7W,…2009-10-16
- Underwater operations in progress until 23 apr by M/V poseidon in area bound by 28-00N 020-00W, 30-00N…2007-04-07
- Underwater operations 05 thru 23 apr by M/V poseidon in area bound by 28-00N 020-00W, 30-00N 022-00W, 40-00N…2007-04-04
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
- Survey operations 24 mar until further notice by M/V poseidon in area between 28-00N 31-00N and 013-00W…cancels · 2000-03-23
- Survey operations 24 mar until further notice by M/V poseidon in area between 28-00N 31-00N and 013-00W…replaced · 2000-03-23
- Oceanographic operations 10 thru 20 apr by M/V poseidon along trackline joining 30-00N 024-00W, 33-00N…cancelled by · 2000-04-08
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
73 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.