Surveys
Survey operations 200000Z to 302200Z sep by M/V nadir in area between 47-30N 46-00N and 011-30W 009-00W
HYDROLANT 1984/99
- issued
- 1999-09-17 11:33Z
- status
- cancelled 1999-09-30 23:00Z (archive)
- self-cancels
- 1999-09-30 23:00Z
- authority
- NAVAREA II 283/99 170902Z SEP 99
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 200000Z TO 302200Z SEP BY M/V NADIR IN AREA BETWEEN 47-30N 46-00N AND 011-30W 009-00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 302300Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-09-20 00:00Z | 1999-09-30 22:00Z | — | 262 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.