Surveys

Survey operations 12 jul thru 12 sep by M/V dong fang kan tan in areas bound by: a. 52-52-12N 143-30-03E,…

Sea of Okhotsk · Sakhalin · HYDROPAC 2507/18

issued: 2018-07-09 09:41Z
status: cancelled 2018-09-07 11:39Z (archive)
authority: VLADIVOSTOK 166/18 090904Z JUL 18.
position: 51.732, 143.626
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SEA OF OKHOTSK.
SAKHALIN.
DNC 24.
1. SURVEY OPERATIONS 12 JUL THRU 12 SEP BY
   M/V DONG FANG KAN TAN IN AREAS BOUND BY:
   A. 52-52-12N 143-30-03E, 52-59-37N 143-28-06E,
      52-59-47N 143-29-41E, 52-52-21N 143-31-38E.
   B. 52-38-54N 143-34-14E, 52-46-20N 143-32-18E,
      52-46-29N 143-33-53E, 52-39-03N 143-35-49E.
   C. 51-20-01N 143-36-03E, 51-30-41N 143-34-19E,
      51-30-32N 143-42-22E, 51-20-00N 143-44-01E.
   ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 13 SEP 18.

This area · survey operations

125 within 180 nm since 2000 · 2 in the last 12 months · 2 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

HYDROPAC warnings in force as of 071023Z sep 18cancelled by · 2018-09-07

Nearby now · within 120 nm

Underwater operations 01 may thru 31 oct in areas bound by: a. 51-27.95N 143-26.72E, 51-29.25N 143-45.52E,…Surveys · 17.4 nm
Wave rider buoy established in 51-22.54N 144-14.17ENav aids · 31.3 nm
Underwater operations 25 may thru 31 dec in area bound by 51-34.92N 143-24.27E, 51-34.90N 144-06.22E,…Surveys · 38.3 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.