Surveys
Underwater operations 250001Z may to 300001Z sep in areas between: a. 45-10.3N 45-10.1N and 036-25.1E…
HYDROLANT 869/04
- issued
- 2004-05-21 02:25Z
- status
- cancelled 2004-07-03 17:46Z (archive)
- self-cancels
- 2004-09-30 01:01Z
- authority
- NAVAREA III 264/04 201414Z MAY 04
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 250001Z MAY TO 300001Z SEP IN AREAS BETWEEN: A. 45-10.3N 45-10.1N AND 036-25.1E 036-24.9E. B. 45-20.0N 45-19.8N AND 036-29.9E 036-29.5E. 2. CANCEL THIS MSG 300101Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-05-25 00:01Z | 2004-09-30 00:01Z | — | 3072 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
- Cancel HYDROLANT 869/04 and this msgcancelled by · 2004-07-03
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.