A 17-year-old boy with a loaded shotgun boarded a plane at an Australian airport before being restrained by a pilot and two passengers, police said Friday.The boy was disarmed and detained before police arrived on the scene Thursday at Avalon Airport in Victoria state.Victoria Police Superintendent Michael Reid told reporters the boy from Ballarat in regional Victoria had climbed through a hole in the airport’s security fence before making his way to the plane’s stairs.Reid credited pilot and passengers with restraining the boy."This would have been a very terrifying incident for the passengers of that plane and Victoria Police really commend the bravery of those passengers who were able to overpower that male," Reid said.The boy has been charged with multiple offenses including unlawfully taking control of an aircraft, orchestrating a bomb hoax and possessing a firearm, a police statement said.He was remanded in custody to appear in a children’s court on a date to be determined.