Surveys
Survey operations in progress until 140300Z and 141500Z to 162100Z oct by M/V alte graca aranha in area…
HYDROLANT 1987/09
- issued
- 2009-10-14 01:37Z
- status
- cancelled 2009-10-16 22:00Z (archive)
- self-cancels
- 2009-10-16 22:00Z
- authority
- NAVAREA V S 2137/09 14 OCT 09.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL 140300Z AND 141500Z TO 162100Z OCT BY M/V ALTE GRACA ARANHA IN AREA BETWEEN 23-06.7S 23-09.5S AND 043-01.0W 043-11.0W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 162200Z OCT.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-10-14 15:00Z | 2009-10-16 21:00Z | — | 54 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.