Surveys

Survey operations 30 may thru 02 nov by M/V trias and M/V diabaz in: a. area bound by 53-45.8N 143-40.6E,…

Sea of Okhotsk · Sakhalin · HYDROPAC 1566/20

issued
2020-05-26 09:27Z
status
cancelled 2020-11-03 00:01Z (archive)
authority
NAVAREA XIII 55/20 260907Z MAY 20.
sea
Sea of Okhotsk
position
53.820, 143.707
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SEA OF OKHOTSK.
SAKHALIN.
DNC 24.
1. SURVEY OPERATIONS 30 MAY THRU 02 NOV BY
   M/V TRIAS AND M/V DIABAZ IN:
   A. AREA BOUND BY
      53-45.8N 143-40.6E, 53-47.1N 143-37.5E,
      53-50.3N 143-36.6E, 53-52.1N 143-38.8E,
      53-52.7N 143-44.2E, 53-51.3N 143-47.4E,
      53-48.1N 143-48.3E, 53-46.3N 143-46.0E.
   B. ALONG TRACKLINE JOINING
      53-30.9N 143-05.3E, 53-48.6N 143-33.0E,
      53-49.9N 143-40.9E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 03 NOV 20.

This area · survey operations

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

00
05
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26

Season · when survey operations happen here

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A
M
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J
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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

86 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.