Surveys
Underwater operations sunrise to sunset daily 01 thru 04 apr by M/V kaiko and M/V kairei within five miles…
HYDROPAC 492/00
- issued
- 2000-03-27 10:50Z
- status
- cancelled 2000-04-05 06:00Z (archive)
- authority
- NAVAREA XI 193/00 270800Z MAR 00
- sea
- North Pacific Ocean
- position
- 29.333, 142.833 · r 5.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS SUNRISE TO SUNSET DAILY 01 THRU 04 APR BY M/V KAIKO AND M/V KAIREI WITHIN FIVE MILES OF 29-20N 142-50E. 2. CANCEL THIS MSG 05 APR.
This area · survey operations
47 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Underwater operations 04 thru 21 may by submersible shinkai 6500 and M/V yokosuka in area bound by 28-22.00N…2024-05-03
- Underwater operations 01 thru 07 mar by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2024-02-29
- Underwater operations 20 oct thru 06 nov by shinkai 6500, mother ship and yokosuka in areas within three…2023-10-19
- Underwater operations 24 may thru 09 jun by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2023-05-23
- Survey operations in progress until 27 nov by M/V kaimei, towing 12000 meter long cable in area bound by…2022-11-20
- Underwater operations 19 oct thru 05 nov by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2022-10-18
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
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.