In Case You Missed It
Reinventing the Wheel
Do you really need to spend your time coming up with a better solution when the one provided is more than good enough?
Firewall Forward: New, Used, Something Else?
For some builders, new aircraft engines may just be out of reach. Dave Prizio explains what to look for in a used Lycoming or Lycoming-type engine along with what you need to consider before buying.
Ask the DAR
Converting an ultralight to ELSA, kit without a bill of sale, engine missing its data plate.