Surveys

Underwater operations 30 sep thru 10 oct by M/V akademik nemchinov and M/V akademik primakov in area bound…

East Siberian Sea · HYDROARC 233/23

issued
2023-09-29 06:43Z
status
cancelled 2023-10-11 00:01Z (archive)
self-cancels
2023-10-11 00:01Z
authority
NAVAREA XXI 53/23 290629Z SEP 23.
position
74.085, 173.864
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EAST SIBERIAN SEA.
DNC 27.
1. UNDERWATER OPERATIONS 30 SEP THRU 10 OCT
   BY M/V AKADEMIK NEMCHINOV AND
   M/V AKADEMIK PRIMAKOV IN AREA BOUND BY
   74-13.00N 175-32.00E, 74-24.00N 172-39.00E,
   73-59.00N 172-10.00E, 73-45.00N 175-00.00E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 110001Z OCT 23.

This area · survey operations

6 within 180 nm since 2019 · 0 in the last 12 months · 0 in force now

19
20
23

Season · when survey operations happen here

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M
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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

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.