Unmanned Aerial Systems (drones) pose a serious inflight risk to aircraft. In this episode, we discuss some of the findings in the comprehensive ASSURE study performed by 23 academic institutions.Volume II - UAS Airborne Collision Severity Evaluation - Quadcopter As our way to help you celebrate the New Year, we’re offering a huge discount on the Hamfist Trilogy!You can download the book in the e-book format of your choice at Smashwords, and use coupon code GJ73Z for a 50% discount.