This issue (April 2022), the Comanche restoration moves to the interior, where Greg replaced almost everything inside the hull. Two interesting facts related to this section of the overhaul: Just about the only things that survived to today’s version of this Comanche are the seat frames, and just about the only thing that Piehl or his friends didn’t do on this plane comes in this installment — the leather upholstery work.

Greg Piehl, who lives in St. Petersburg, Florida, with his wife Debbie, spent three years...