Surveys

Salvage operations in progress until 31 oct within 1.5 miles of 37-38-27.0N 123-07-32.4E

Yellow Sea · HYDROPAC 2546/12

issued
2012-09-06 04:37Z
status
cancelled 2012-11-01 00:01Z (archive)
authority
NAVAREA XI 601/12 060422Z SEP 12.
sea
Yellow Sea
position
37.641, 123.126 · r 1.5 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

YELLOW SEA.
1. SALVAGE OPERATIONS IN PROGRESS UNTIL 31 OCT
   WITHIN 1.5 MILES OF 37-38-27.0N 123-07-32.4E.
2. CANCEL THIS MSG 01 NOV 12.

This area · survey operations

11 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

00
05
10
13

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.