Surveys
Oceanographic operations 230700Z to 252259Z feb by M/V alliance towing equipment 80 meters at a depth of 90…
HYDROLANT 658/00
- issued
- 2000-02-22 01:10Z
- status
- cancelled 2000-02-25 23:59Z (archive)
- self-cancels
- 2000-02-25 23:59Z
- authority
- MARIDIPART LA SPEZIA 050/00 211332A FEB 00
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. OCEANOGRAPHIC OPERATIONS 230700Z TO 252259Z FEB BY M/V ALLIANCE TOWING EQUIPMENT 80 METERS AT A DEPTH OF 90 METERS IN AREA BETWEEN 42-30N 42-40N AND 010-35E 010-53E. 2. CANCEL THIS MSG 252359Z FEB.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2000-02-23 07:00Z | 2000-02-25 22:59Z | — | 63 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.