Surveys
Survey operations 221400Z to 230600Z sep by M/V hesperides towing 6000 meter long cable in area between…
HYDROLANT 2524/01
- issued
- 2001-09-22 08:40Z
- status
- cancelled 2001-09-23 07:00Z (archive)
- self-cancels
- 2001-09-23 07:00Z
- cancels
- HYDROLANT 2509/01
- authority
- NAVAREA II 353/01; NAVAREA II 354/01 220700Z SEP 01
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 221400Z TO 230600Z SEP BY M/V HESPERIDES TOWING 6000 METER LONG CABLE IN AREA BETWEEN 37-05N 38-48N AND 009-50W 010-15W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2509/01(37), AID RESTORED. 3. CANCEL THIS MSG 230700Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-09-22 14:00Z | 2001-09-23 06:00Z | — | 16 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
- RACON at chaussee de sein buoy 48-04N 005-08W inoperativecancels · 2001-09-21
- RACON at chaussee de sein buoy 48-04N 005-08W inoperativereplaced · 2001-09-21
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.