Surveys
Survey operations 171800Z to 201200Z sep by M/V hesperides towing 6000 meter long cable vicinity of…
HYDROLANT 2483/01
- issued
- 2001-09-17 17:03Z
- status
- cancelled 2001-09-20 13:00Z (archive)
- self-cancels
- 2001-09-20 13:00Z
- authority
- NAVAREA II 346/01 171530Z SEP 01
- sea
- North Atlantic Ocean
- position
- 36.463, -9.834
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 171800Z TO 201200Z SEP BY M/V HESPERIDES TOWING 6000 METER LONG CABLE VICINITY OF TRACKLINE JOINING 36-59N 009-36W, 36-53N 009-41W, 36-22N 009-49W, 36-02N 010-10W, 36-57N 009-48W, 35-53N 009-35W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 201300Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-09-17 18:00Z | 2001-09-20 12:00Z | — | 66 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
83 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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24
- Survey operations in progress until 06 feb by r/v maria s. merian in area bound by 35-45.00N 008-00.00W,…2024-01-29
- Underwater operations 281200Z dec until further notice by M/V joides resolution in vicinity 36-42.00N…2023-12-28
- Survey operations in progress until 192300Z mar by M/V ramon margalef in area bound by: 35-48.0N 007-34.0W,…2023-03-14
- Underwater operations in progress until further notice by M/V joides resolution in 37-57.60N 009-31.00W2022-11-30
- Underwater operations in progress until further notice by M/V joides resolution in 37-34.00N 010-07.70W2022-11-16
- Underwater operations in progress until further notice by M/V joides resolution in 37-34.90N 010-21.50W2022-11-01
Season · when survey operations happen here
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M
A
M
J
J
A
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month of issue, all years in the archive
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.