- Radio Transmissions From Police Helicopter's Chase Of Bizarre Craft Over Tucson Add To Mystery | "Its abilities were pretty incredible" — FAA audio points to confusion during and after police helicopter's encounter with strange aircraft. https://www.thedrive.com/the-war-zone/42021/radio-transmissions-from-police-helicopters-chase-of-bizarre-craft-over-tucson-add-to-mystery 33 comments technology