Air Canada masked stowaway case

The Air Canada masked stowaway case, also known as the Case of the "Disguised Man" (Chinese: “易容男”案件), began with a stowaway incident on October 29, 2010, when a young man of Chinese descent illegally boarded Air Canada Flight 018, flying from Hong Kong to Vancouver wearing a commercially available silicone head and neck mask to impersonate an elderly white man. He removed the mask in the aircraft lavatory later in the flight, and a passenger alerted the crew after a young Asian man tried to occupy the seat formerly occupied by what appeared to be an old white man.

Source: Wikipedia — Air Canada masked stowaway case (CC BY-SA 4.0)