Nav aids

Nga chart 74520 (2ND ed)

Australia-northwest Coast · HYDROPAC 2914/10

issued
2010-12-26 02:41Z
status
cancelled 2011-04-05 03:45Z (archive)
authority
AUSCOAST 328/10 260207Z DEC 10.
sea
Indian Ocean
position
-20.175, 113.842
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

AUSTRALIA-NORTHWEST COAST.
NGA CHART 74520 (2ND ED).
1. FOUR YELLOW BUOYS, FL Y, ESTABLISHED
   IN AREA BETWEEN
   20-03S 20-05S AND 113-46E 113-47E.
2. YELLOW BUOY, FL(5) Y 20S, ESTABLISHED
   IN 20-10.5S 113-50.5E.
3. BUOY ESTABLISHED, 50 METERS BELOW SURFACE,
   IN 20-10.5S 113-50.5E.

This area · aids-to-navigation notices

191 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

98
00
05
10
15
20
23

Season · when aids-to-navigation notices 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

Worldwide now

193 aids-to-navigation notices in force · see all

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices

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.