Surveys

Survey operations 02 thru 09 sep by M/V ptsc researcher in 08-33.98N 108-43.33E

South China Sea · HYDROPAC 3197/18

issued
2018-08-31 14:08Z
status
cancelled 2018-09-10 00:01Z (archive)
authority
HAIPHONG RADIO 311259Z AUG 18.
position
8.566, 108.722
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
DNC 11.
1. SURVEY OPERATIONS 02 THRU 09 SEP BY
   M/V PTSC RESEARCHER IN 08-33.98N 108-43.33E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 10 SEP 18.

This area · survey operations

21 within 180 nm since 2013 · 0 in the last 12 months · 0 in force now

13
15
20
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

Worldwide now

73 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.