Qantas Flight QF643 Emergency Landing Due to Smoke Warning

Qantas flight QF643 from Sydney to Perth was forced to make an emergency landing shortly after takeoff due to a smoke detection warning in the cockpit. The Boeing 737-800 departed Sydney at around 8:40 AM and returned approximately 25 minutes later, landing safely amidst emergency services. Passengers reported a sharp descent and the smell of smoke, although no smoke was detected in the passenger cabin. Qantas has launched an investigation into the incident, citing a technical issue as the cause, and has assured passengers that standard emergency protocols were followed. This event follows another recent incident involving Qantas, highlighting ongoing technical challenges for the airline. Passengers were rebooked on another flight that departed later in the morning.