I was driving home from work and it was hovering on my passenger side of my truck. lights were flashing which were red white and blue. object appeared disk shaped and dark. it followed me home and emitted a blue light that filled a fraction of the sky. it followed me into the yard where it hovered over top of my truck. called my dad to come out as i was scared. by the time he came out it was gone and the chopper was only there and then it left as well.