Surveys
Underwater operations 230001Z to 292359Z may by M/V tethys II in area between 41-10N 41-50N and 009-30E…
HYDROLANT 1043/99
- issued
- 1999-05-22 12:28Z
- status
- cancelled 1999-05-30 01:00Z (archive)
- self-cancels
- 1999-05-30 01:00Z
- authority
- NAVAREA III 198/99 AOR EAST EGC 388/99
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 230001Z TO 292359Z MAY BY M/V TETHYS II IN AREA BETWEEN 41-10N 41-50N AND 009-30E 010-30E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 300100Z MAY.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-05-23 00:01Z | 1999-05-29 23:59Z | — | 167 h 58 |
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.