In Case You Missed It
Oil Filter Testing
Some aviation oil filters fall short of efficiency standards, but still protect engines—barely. Understand what yours really does.
Rare Bird
A biplane designed in the 1920s inspires thoughts of aviations Golden Age, and for one pilot, its a perfect complement to his Aeronca Champ.
Letters – October 2019
Praise for Paul
Former Editor in Chief (and now Editor at Large) Paul Dye made...
