article_snippet.sent: Graham Leonard, pictured leaving court after admitting endangering an aircraft .
article_snippet.sent: A passenger who hijacked a plane's tannoy system while drunk to sing karaoke and then caused an airport to be evacuated could be handed a jail term.
article_snippet.sent: And after frustrating the cabin crew with his antics during the flight - including throwing a hot towel at one - his then caused part of an airport to be evacuated after deliberately setting off the fire alarm on arrival in Aberdeen.
article_snippet.sent: Leonard, 46, appeared at Aberdeen Sheriff Court yesterday where he admitted endangering the aircraft and Aberdeen Sheriff Court passengers as well as setting off the airport alarm knowing there was no blaze.
article_snippet.sent: When he did eventually board the 9:17pm private flight from Manchester he started causing trouble for the cabin crew.
article_snippet.sent: The court heard that the businessman, who owns a painting and decorating firm in Aberdeen, also repeatedly refused to sit down before throwing a hot hand towel at one of the stewardesses.
article_snippet.sent: On arrival at Aberdeen International Airport Leonard was seen 'talking' into the public address system then activating a fire alarm.
article_snippet.sent: Around 40 people had to be evacuated from the area and two units from Scottish Fire and Rescue Service were called out to a fire alarm.
article_snippet.sent: After landing at Aberdeen Airport, Leonard set a fire alarm off causing an evacuation . '