Surveys
Underwater operations in progress until 30 nov in area bound by 38-09-06N 121-47-30E, 37-41-32N 121-47-30E,…
Yellow Sea · HYDROPAC 2133/12
- issued
- 2012-07-26 10:53Z
- status
- cancelled 2012-12-01 00:01Z (archive)
- authority
- NAVAREA XI 499/12 261029Z JUL 12.
- sea
- Yellow Sea
- position
- 37.859, 121.401
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
YELLOW SEA. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 30 NOV IN AREA BOUND BY 38-09-06N 121-47-30E, 37-41-32N 121-47-30E, 37-41-32N 121-40-51E, 37-25-43N 121-40-51E, 37-25-43N 121-22-30E, 37-41-32N 121-22-30E, 37-41-32N 120-57-25E, 38-09-06N 120-57-25E. 2. CANCEL THIS MSG 01 DEC 12.
This area · survey operations
8 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now
05
10
13
- Salvage operations in progress until 25 dec within 1.5 miles of 37-38-27.0N 123-07-32.4E2013-09-25
- Salvage operations in progress until 25 oct within 1.5 miles of 37-38-27.0N 123-07-32.4E2013-09-20
- Salvage operations in progress until 31 oct within 1.5 miles of 37-38-27.0N 123-07-32.4E2012-09-06
- 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
- Survey operations in progress until 31 aug by working vessel towing 3500 meter long cable in area bound by…2005-08-22
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.