Surveys
Oceanographic operations by M/V alliance and M/V manning: a. in progress until 061100Z nov in area between…
HYDROLANT 2337/99
- issued
- 1999-11-03 13:56Z
- status
- cancelled 1999-11-11 19:00Z (archive)
- self-cancels
- 1999-11-11 19:00Z
- cancels
- HYDROLANT 2254/99
- authority
- MARIDIPART LA SPEZIA 642/99 031050A NOV 99
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. OCEANOGRAPHIC OPERATIONS BY M/V ALLIANCE AND M/V MANNING:
A. IN PROGRESS UNTIL 061100Z NOV IN AREA BETWEEN
43-34N 43-44N AND 009-45E 010-00E.
B. 061100Z TO 111800Z NOV IN AREA BETWEEN
43-34N 43-44N AND 009-15E 009-30E.
2. CANCEL HYDROLANT 2254/99.
3. CANCEL THIS MSG 111900Z NOV.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-11-06 11:00Z | 1999-11-11 18:00Z | — | 127 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
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.