High-altitude turbulence tricky to detect, experts say, as Cathay investigates case

Even the most advanced aircraft radar systems cannot fully detect high-altitude turbulence, aviation experts have said, as Cathay Pacific Airways investigates an incident that injured 10 people on a Hong Kong-bound flight from Brisbane last week.Hong Kong’s flag carrier revealed on Tuesday that it had launched the probe following calls for an inquiry into the weather forecast relayed to the flight crew and how quickly the pilots responded.The Airbus A350-900 aircraft operating flight CX156 from the Australian city was hit by severe turbulence about two hours before landing on Saturday.