Surveys

Underwater operations 21 thru 30 may by M/V yokosuka with submersible: a. in area between 23-00N 24-00N and…

North Pacific · HYDROPAC 1017/10

issued: 2010-05-16 09:18Z
status: cancelled 2010-05-31 00:01Z (archive)
cancels: HYDROPAC 910/10
authority: NAVAREA XI 339/10 160759Z MAY 10 - NAVAREA XI 341/10 160759Z MAY 10.
position: 24.500, 153.833 · r 12.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
1. UNDERWATER OPERATIONS 21 THRU 30 MAY BY
   M/V YOKOSUKA WITH SUBMERSIBLE:
   A. IN AREA BETWEEN
      23-00N 24-00N AND 154-00E 155-30E.
   B. IN AREA BETWEEN
      24-00N 25-00N AND 156-20E 157-20E.
   C. WITHIN 12 MILES OF 24-30N 153-50E.
2. CANCEL HYDROPAC 910/10(71),
   OPERATIONS COMPLETED.
3. CANCEL THIS MSG 31 MAY.

This area · survey operations

11 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Seismic survey in progress until 180001Z may by M/V mezen towing 8300 meter long cable in area bound by…cancels · 2010-05-02
Seismic survey in progress until 180001Z may by M/V mezen towing 8300 meter long cable in area bound by…replaced · 2010-05-02

Nearby now · within 120 nm

Survey operations 25 jul thru 15 aug by submersible in areas bound by: a. 22-40.00N 154-30.00E, 22-40.00N…Surveys · 88.3 nm

Worldwide now

73 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.