Marc Cook is a veteran special-interest journalist who started as a staffer at AOPA Pilot in the late 1980s. Marc has built two airplanes, an Aero Designs Pulsar XP and a Glasair Aviation Sportsman, and now owns a 180-hp, recently modernized GlaStar based in western Oregon. Marc has 5000 hours spread over 200-plus types and four decades of flying.