12 July Accepting Penetrations of the Obstacle Limitation Surfaces at Australian Airports July 12, 2018 ICAO sets the standards for Obstacle Limitation Surfaces (OLS) in Chapter 4 of Annex 14, Volume 1 Aerodrome Design and Operations. ICAO prefaces the technical specification as follows: Read more>> Related Posts Rozelle Village Development The Sydney Morning Herald has reported that Airservices Australia has advised that the proposed residential towers to be erected on top of Balmain Leagues Club would infringe the airspace, as specified in the International Civil Aviation Organisation Procedures for Air Navigation Services - Aircraft Operations (ICAO PANS-OPS, Doc 8168). It is also understood that the building would also penetrate the Obstacle limitation Surfaces (OLS) by 24m. AusALPA is strongly opposed to any development that infringes the safety zones established at or around airports, including the PANS-OPS surfaces. Read more>> Stop Bars AusALPA supports the installation and operational use of stop bars at Australian airports. The runway, at all entry or exit points, should be protected by an associated stop bar to mitigate the risk of a runway incursion. There is an overriding importance on procedural consistency which is paramount to maintaining the integrity of the runway. AusALPA encourages operators, regardless of size or type of operation, to educate their pilots accordingly with regards to stop bars. Read more>> Comments are closed.