However, staff could not find any trace of either the helicopter or the package which it appeared to be carrying underneath it when they searched the Category C jail.
'Using a mini-helicopter to get contraband into jails is unprecedented. When officers spotted it they nearly fell off their chairs', a prison source told the Sun.
'It could have been drugs or a mobile phone in the package. It is possible it was a dummy run.'
Maybe the helicopter flew out as well. Link -via Unique Daily
@jodie - what if it had been a gun the copter was smuggling?
Tennis ball idea works too. I know Ive launched some pretty far using a potato gun when I was a kid.