Surveys
Underwater operations in progress until 02 nov by unmanned seven meter vessel in vicinity of trackline…
Western North Pacific · Philippine Sea · HYDROPAC 3881/18
- issued
- 2018-10-26 09:30Z
- status
- cancelled 2018-11-03 00:01Z (archive)
- authority
- NAVAREA XI 535/18 260753Z OCT 18.
- position
- 22.858, 144.183
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. PHILIPPINE SEA. DNC 12. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 02 NOV BY UNMANNED SEVEN METER VESSEL IN VICINITY OF TRACKLINE BETWEEN 13-20N 143-50E AND 32-23N 144-32E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 03 NOV 18.
This area · survey operations
7 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
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05
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15
20
22
- Underwater operations 22 thru 26 nov, alternate 27 nov thru 01 dec by M/V ocean guardian in area bound by…2022-11-21
- Underwater operations 28 jul thru 03 aug by M/V natsushima with submersible within: a. three miles of…2010-07-23
- Underwater operations 27 may thru 07 jun by M/V yokosuka with submersible in areas: a. between 26-30N 30-00N…2009-05-23
- Survey operations 15 may thru 06 jun by M/V kairei towing 5500 meter long cable in areas: a. between 27-10N…2006-05-10
- Submarine research operations during daylight hours daily 22 oct thru 04 nov by M/V natsushima and…2005-10-17
- Survey operations in progress until 250830Z feb by M/V T.G2003-02-24
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 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.