CONTENTS July 2019 | Volume 62 | Number 7 | aopa.org/pilot AOPA PILOT 58 ON THIS PAGE: Horses and jockeys take to the track in preparation for the 145th Kentucky Derby at Churchill Downs in Louisville, Kentucky. Horses from Ontario, California, flew in on Air Horse One. Photography by Chris Rose. First Saturday in May Hundreds of business jets bound for the Kentucky Derby land at airports in the Louisville, Kentucky, area. By Julie Summers Walker FEATURES A Flying Swiss Army Knife Safety Logic By Dave Hirschman By Ian J. Twombly The versatile Swiss turboprop Pilatus PC-6 Porter will cease production in 2019. Page 50 What safety equipment can really make a difference? We zero in on three prominent accident types. Breaking Boundaries The Sling TSi is a turbocharged, efficient four-seater. By Dave Hirschmann Page 72 Page 66 aopa.org/pilot AOPA PILOT | 1http://www.aopa.org/pilot http://www.aopa.org/pilot