During the Great Depression, Bernard H. Pietenpol, with no more than an eighth-grade education, designed a “common-man’s airplane” built with scavenged and hardware-store parts. Today his son and grandson carry on his legacy, and his airplane’s simple design enjoys a popular following among people of all ages who share his dream of flight (2007).One in-law had her flying license for a good while, used to often fly "by eye", that is you looked down at where the roads were and just followed, said it wasn't too hard. Great stuff...
Further reading at PietenpolMovie.