Surveys
Survey operations in progress until further notice by M/V svitzer magellan towing equipment along trackline…
HYDROLANT 750/99
- issued
- 1999-04-16 19:55Z
- status
- cancelled 1999-04-28 00:00Z (archive)
- cancels
- HYDROLANT 741/99
- sea
- Celtic Sea
- position
- 49.999, -7.844
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V SVITZER MAGELLAN TOWING EQUIPMENT ALONG TRACKLINE JOINING 50-04.8N 005-41.7W, 50-05.1N 005-47.2W, 50-11.0N 006-00.0W, 50-11.0N 007-00.0W, 49-40.0N 010-00.0W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 741/99.
This area · survey operations
714 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
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23
- Underwater operations 02 thru 11 oct by M/V atalante in area bound by 47-26.59N 006-34.33W, 46-52.40N…2023-09-29
- Survey operations in progress until 20 jul by M/V celtic explorer in vicinity of trackline joining 47-30.00N…2023-06-14
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Survey operations 19 thru 25 apr in area bound by 48-00.00N 009-29.00W, 48-00.00N 007-56.00W, 46-54.00N…2023-04-17
- Survey operations 06 thru 11 jan by M/V belgica in area bound by 48-14.00N 005-05.00W, 47-28.00N 005-10.00W,…2023-01-04
- Underwater operations 180800Z to 192200Z nov by M/V willchallenge in vicinity of 50-19.0N 004-14.7W2022-11-17
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 in progress until further notice by M/V svitzer magellan towing equipment along trackline…replaced · 1999-04-16
- Cancel HYDROLANT 750/99 and this msg, operations suspendedcancelled by · 1999-04-28
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.