DARPA Lift Challenge ends with AVIDrone Katana heavy-lift drone achieving 3.84:1 payload-to-weight ratio

DARPA concluded its Lift Challenge, where AVIDrone's Katana heavy-lift electric helicopter drone carried a 112.4-pound payload over about five nautical miles, achieving a 3.84:1 payload-to-weight ratio. No team reached the 4:1 target, and DARPA awarded prizes and additional subjective-category awards.