Surveys

Survey operations in progress until 30 sep by M/V towing 8500 meter long cable in area bound by 34-13-04N…

Yellow Sea · HYDROPAC 2348/12

issued
2012-08-17 11:29Z
status
cancelled 2012-10-01 00:01Z (archive)
cancels
HYDROPAC 2340/12
authority
NAVAREA XI 552/12 171009Z AUG 12 - AUSCOAST 224/12 171048Z AUG 12.
sea
Yellow Sea
position
34.283, 121.323
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

YELLOW SEA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 SEP
   BY M/V TOWING 8500 METER LONG CABLE
   IN AREA BOUND BY
   34-13-04N 120-19-33E, 34-50-34N 121-56-11E,
   34-18-42N 122-11-34E, 33-45-00N 120-55-00E.
2. CANCEL HYDROPAC 2340/12(74,75).
3. CANCEL THIS MSG 01 OCT 12.

This area · survey operations

6 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

01
05
10
15

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

Timeline

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.