Surveys
Underwater operations 292000Z to 300300Z may vicinity strait of istanbul southern entrance
HYDROLANT 901/08
- issued
- 2008-05-29 06:59Z
- status
- cancelled 2008-05-30 04:00Z (archive)
- self-cancels
- 2008-05-30 04:00Z
- authority
- NAVAREA III 259/08 290653Z MAY 08.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 292000Z TO 300300Z MAY VICINITY STRAIT OF ISTANBUL SOUTHERN ENTRANCE. 2. CANCEL THIS MSG 300400Z MAY.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-05-29 20:00Z | 2008-05-30 03:00Z | — | 7 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.