当他穿过塔斯马尼亚岛和澳洲大陆中间的巴斯海峡时，弗雷德里克用无线电报告空中交通管制中心说他正被一架飞行器跟随。
As Frederick flew over the Bass Strait between Tasmania and mainland Australia , he radioed air traffic control just after 7:00 PM to report that he was being followed by an aircraft .
巴斯海峡