Surveys
Underwater operations 240500Z to 250500Z apr in area between 36-05.5N 36-25.5N and 015-00.0E 015-13.0E
HYDROLANT 823/03
- issued
- 2003-04-22 13:05Z
- status
- cancelled 2003-04-25 06:00Z (archive)
- self-cancels
- 2003-04-25 06:00Z
- authority
- MARISICILIA 130/03 221202B APR 03
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 240500Z TO 250500Z APR IN AREA BETWEEN 36-05.5N 36-25.5N AND 015-00.0E 015-13.0E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 250600Z APR.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-04-24 05:00Z | 2003-04-25 05:00Z | — | 24 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.