05.17.2021 - By Adam Sipe, A&P/IA and CFI
Today is a sad day for aviation, and to be honest, it’s a very sad day for me, too. It is with regret and a very heavy heart to report to you the original Prebuy Guy, Don Sebastian, my good friend and mentor, passed away peacefully in his sleep over the weekend after a long, yet tenaciously fought battle with cancer.