As a tax shelter he bought a private jet -- a twin - engine Aero Commander 1121 Jet Commander .
In the late 1960s , Carlin was making about $250,000 annually .
As a tax shelter Carlin bought a private jet -- a twin - engine Aero Commander 1121 Jet Commander .
In the late 1960s , Carlin was making about $250,000 annually .