Surveys
Underwater operations in progress until 31 dec by vessel in vicinity 34-33-18.9N 121-15-41.0E
Yellow Sea · HYDROPAC 2641/15
- issued
- 2015-08-12 09:39Z
- status
- cancelled 2016-01-01 00:01Z (archive)
- authority
- NAVAREA XI 592/15 120841Z AUG 15.
- sea
- Yellow Sea
- position
- 34.555, 121.261
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
YELLOW SEA. DNC 23. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 31 DEC BY VESSEL IN VICINITY 34-33-18.9N 121-15-41.0E. 500 METER BERTH REQUESTED. 2. CANCEL THIS MSG 01 JAN 16.
This area · survey operations
6 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
01
05
10
15
- Survey operations in progress until 30 sep by M/V towing 8500 meter long cable in area bound by 34-13-04N…2012-08-17
- Survey operations in progress until 30 sep by vessel towing 8000 meter long cable in area bound by 35-22N…2010-08-17
- Survey operations in progress until 30 nov by vessel towing 5000 meter long cable in area bound by 36-04.8N…2006-10-27
- Underwater operations 07 thru 13 oct by M/V kan 407 vicinity 33-58-38.8N 123-21-14.2E2002-10-02
- Survey operations in progress until 17 oct by M/V geo arctic towing 3000 meter long cable in area bound by…2001-09-07
Season · when survey operations happen here
J
F
M
A
M
J
J
A
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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.