Surveys
Underwater operations in progress until 301400Z aug by M/V tenshou II in: a. 14-59.30N 145-43.48E
Western North Pacific · Mariana Islands · HYDROPAC 2523/14
- issued
- 2014-08-28 11:36Z
- status
- cancelled 2014-08-30 15:00Z (archive)
- self-cancels
- 2014-08-30 15:00Z
- authority
- COMCOGARD SECTOR GUAM 477/14 280712Z AUG 14.
- position
- 14.990, 145.591
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. MARIANA ISLANDS. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 301400Z AUG BY M/V TENSHOU II IN: A. 14-59.30N 145-43.48E. B. 14-59.54N 145-27.42E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 301500Z AUG 14.
This area · survey operations
14 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
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- 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
- Survey operations in progress until 030800Z nov by M/V fugro supporter in: a. 13-44.66N 144-40.18E2022-10-25
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EOther · 55 nm
- Hazardous operations 0100Z to 1300Z daily 18 thru 20 aug in areas within three miles of: a. 13-27.00N…Exercises · 94.8 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 100.6 nm
- Uscg remote communication facility guam 13-29.00N 144-50.00E hf capabilities unreliableNav aids · 100.6 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.