Surveys

Underwater operations in progress until 20 sep by M/V diabaz and M/V trias in: a. 51-19-37N 144-15-05E

Sea of Okhotsk · HYDROPAC 3065/18

issued
2018-08-21 09:28Z
status
cancelled 2018-09-21 00:01Z (archive)
authority
NAVAREA XIII 74/18 210907Z AUG 18.
sea
Sea of Okhotsk
position
51.330, 144.283
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SEA OF OKHOTSK.
DNC 24.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 20 SEP
   BY M/V DIABAZ AND M/V TRIAS IN:
   A. 51-19-37N 144-15-05E.
   B. 51-21-52N 144-18-42E.
   C. 51-17-50N 144-16-11E.
   D. 51-19-49N 144-18-01E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 21 SEP 18.

This area · survey operations

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

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Season · when survey operations happen here

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Nearby now · 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.