Surveys
Underwater operations 0400Z to 1300Z daily 17 thru 20 jun in area between 40-07.7N 40-07.2N and 026-23.5E…
HYDROLANT 1020/04
- issued
- 2004-06-15 12:06Z
- status
- cancelled 2004-06-20 14:00Z (archive)
- self-cancels
- 2004-06-20 14:00Z
- authority
- NAVAREA III 310/04 151003 JUN 04
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 0400Z TO 1300Z DAILY 17 THRU 20 JUN IN AREA BETWEEN 40-07.7N 40-07.2N AND 026-23.5E 026-24.2E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 201400Z JUN.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-06-17 04:00Z | 2004-06-17 13:00Z | — | 9 h |
| 2004-06-18 04:00Z | 2004-06-18 13:00Z | — | 9 h |
| 2004-06-19 04:00Z | 2004-06-19 13:00Z | — | 9 h |
| 2004-06-20 04:00Z | 2004-06-20 13:00Z | — | 9 h |
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.