Also: Dog Walking Drone, Aerix Drones, Jet Rally, DJI Spark, Hover Camera Passport

On Saturday, August 19th, high school students from across the US competed in the UAS4STEM National Competition at the International Aeromodeling Center in Muncie, Indiana. The student teams built their own drones and competed in a search-and-rescue challenge for the national title. The contest is designed to teach science, technology, engineering and math (STEM) skills. The 2017 UAS4STEM Search and Rescue Challenge’s first-place winners are MMRT from Peachtree City, Georgia, who were awarded a trophy, medals, and a $2,500 cash prize. The Quad Raptors of Maryland took second place, and the St. Mary’s CAP Squadron-Blue of Maryland took third place. Think the batteries on your FPV racer

Also: 121.5 MHz, Aero-Verse, Sonex Aircraft, Mesa Airlines, Tuskegee Airmen, GA-ASI, BRS Aerospace

The UK’s Royal Air Force has grounded several WWII aircraft over concerns about the engines installed on the airplanes. The RAF grounded several aircraft associated with its Battle of Britain Memorial Flight. Four Spitfires, two Hurricanes and a Lancaster bomber have been grounded until an issue with the engine aboard one of the Hurricanes can be checked out. The BBMF airplanes had been scheduled to fly at Biggin Hill festival of flight near London, and the Eastbourne international airshow in East Sussex. A public display at the Weymouth carnival was also cancelled. The editorial board of the East Bay Times newspaper has accused the FAA and Air Canada of dragging their feet i