Does AIC H20/17 address these hazards?
http://www.airservicesaustralia.com/...up/a17-h20.pdf
1.1 Disturbance of ILS GP and LOC signals at YSSY when certain aircraft types
are taxiing has resulted in unstable approaches, resequencing and additional
arrival delays.
1.2 This AIC draws attention to these specific vulnerabilities to assist in threat
identification.