ATSB chief commissioner Angus Mitchell said on Thursday that investigators would now seek to recover and preserve any recorded data onboard the aircraft before transporting it to a secure facility in Perth for further examination.

A light aircraft crashed near Rottnest Island off the Western Australian city of Perth killing two tourists from Switzerland and Denmark and the pilot, authorities said on Wednesday.

Police forensics officers have arrived to investigate the tragic crash as tourists continue to flock to the holiday island.