+3 Piper Magazine - 08/2020 - Digital PM344-DIG $4.95 In stock Quantity: 1 Add to Bag Product Details August 2020What’s inside… 8 Featured PlanePiper Arrow: Entering its seventh decadeBy Bill Cox 14 Owner’s PerspectiveBy Cole Weatherby 16 AvionicsOld Stuff: Gyros, autopilots, and moreBy Bob Hart 20 Sky TalkFlying Past TBO: Factors to considerBy Scott “Sky” Smith 24 RestorationReplacing the Headliner: Part 2By Scott Sherer 30 Are Vortex Generators Worth It?The consensus seems to be yesBy Rocky Landsverk 46 Hangar TipHow to Install Sun-Blocking Window FilmBy Scott Sherer Save this product for later Favorite