Surveys
Survey operations 28 aug thru 30 sep by M/V trias in area bound by 53-27-10N 143-23-15E, 53-27-40N…
Sea of Okhotsk · Sakhalin · HYDROPAC 2424/21
- issued
- 2021-08-25 09:40Z
- status
- cancelled 2021-10-01 00:01Z (archive)
- authority
- VLADIVOSTOK 203/21 250911Z AUG 21.
- sea
- Sea of Okhotsk
- position
- 53.444, 143.416
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SEA OF OKHOTSK. SAKHALIN. DNC 24. 1. SURVEY OPERATIONS 28 AUG THRU 30 SEP BY M/V TRIAS IN AREA BOUND BY 53-27-10N 143-23-15E, 53-27-40N 143-25-50E, 53-26-08N 143-26-40E, 53-25-38N 143-24-05E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 01 OCT 21.
This area · survey operations
126 within 180 nm since 2000 · 2 in the last 12 months · 2 in force now
00
05
10
15
20
25
26
- Underwater operations 25 may thru 31 dec in area bound by 51-34.92N 143-24.27E, 51-34.90N 144-06.22E,…2026-05-22
- Underwater operations 01 may thru 31 oct in areas bound by: a. 51-27.95N 143-26.72E, 51-29.25N 143-45.52E,…2026-04-23
- Survey operations 18 aug thru 18 sep by M/V fyodor kovrov in area bound by 51-34.91N 143-24.26E, 51-34.90N…2023-08-15
- Survey operations 12 jun thru 12 aug by M/V geolog dimitriy nalivkin in area bound by 51-24.30N 144-06.20E,…2023-06-08
- Underwater operations 01 jun thru 31 dec in area bound by 51-34.91N 143-24.26E, 51-34.90N 144-06.22E,…2023-05-27
- Survey operations 21 may thru 18 nov by M/V nikolay trubyatchinskiy, M/V feydor kovrov kalas and M/V…2023-05-18
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
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.