Hang on a sec FPO, let me just get it straight here. I can live with the idea of me being a slow grasping pupil. I find it however highly improbable that all the other reputable organisations like Airbus, Jeppesen and last but not least wikipedia
Required navigation performance - Wikipedia, the free encyclopedia concept description all got it wrong. Come on mate, be reasonable. It's far more simpler than you're trying to picture it. It's black on white: when AUTHORIZATION IS REQUIRED it's clearly depicted on the chart. The comparison
RNP approaches include capabilities that require special aircraft and aircrew authorization similar to category II/III ILS operations.
is the best way to understand SAAAR or AR. While operator must be approved for LVO no authorization is required for LVO take off unlike approach. That's why HKG ATC section speaks only bout the approach. That's why there's nothing mentioned about AR on the departure plate. It's really been fun.
