Surveys
Underwater operations 312010Z may to 010900Z jun in area between 13-10N 13-20N and 144-20E 144-40E
North Pacific · Mariana Islands · HYDROPAC 1610/11
- issued
- 2011-05-31 12:05Z
- status
- cancelled 2011-06-01 10:00Z (archive)
- self-cancels
- 2011-06-01 10:00Z
- authority
- COMCOGARD SECTOR GUAM 312/11 311044Z MAY 11.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. MARIANA ISLANDS. 1. UNDERWATER OPERATIONS 312010Z MAY TO 010900Z JUN IN AREA BETWEEN 13-10N 13-20N AND 144-20E 144-40E. 2. CANCEL THIS MSG 011000Z JUN.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-05-31 20:10Z | 2011-06-01 09:00Z | — | 12 h 50 |
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.