Surveys
Underwater operations 04 thru 06 oct by M/V yokosuka with submersible within two miles of: a. 12-56.3N…
North Pacific · Mariana Islands · HYDROPAC 2025/10
- issued
- 2010-10-01 12:01Z
- status
- cancelled 2010-10-06 08:24Z (archive)
- authority
- NAVAREA XI 743/10 010759Z OCT 10.
- position
- 12.946, 143.626
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. MARIANA ISLANDS. 1. UNDERWATER OPERATIONS 04 THRU 06 OCT BY M/V YOKOSUKA WITH SUBMERSIBLE WITHIN TWO MILES OF: A. 12-56.3N 143-37.9E. B. 12-57.2N 143-37.2E. 2. CANCEL THIS MSG 07 OCT.
This area · survey operations
18 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
15
20
23
- Underwater operations 29 jul thru 11 aug by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2023-07-28
- Underwater operations 2200Z to 0800Z daily 12 and 14 jun in area bound by 13-27.75N 144-37.58E, 13-27.22N…2023-06-09
- Underwater operations 2200Z to 0800Z daily 12 thru 18 may in 13-29.50N 144-40.67E2023-05-03
- Underwater operations 2300Z to 0600Z daily 10 thru 12 apr in 13-16.20N 144-22.80E2023-04-05
- Survey operations 2100Z to 0800Z daily 09, 11 and 13 apr in 13-16.20N 144-22.80E2023-04-05
- Underwater operations 2200Z to 0600Z daily 03 thru 05 apr in 13-16.20N 144-22.80E2023-03-30
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 77.6 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E hf capabilities unreliableNav aids · 77.6 nm
- Hazardous operations 0100Z to 1300Z daily 18 thru 20 aug in areas within three miles of: a. 13-27.00N…Exercises · 81.8 nm
- Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EOther · 115.4 nm
Worldwide now
75 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.