Since you seem to have a clear line of sight where you live what can you make out when viewed through a good pair of binoculars? When I try I cannot make out any commercial markings. What I've seen appear to me to be grayish white unmarked vehicles.
ADS-B Exchange will identify the aircraft. I look there and grab my binoculars to make visual contact. I'm close to PDX and working on a hilltop in Camas with an unobstructed view of the sky. When someone says its contrails, I ask them; how come I see the plane with nothing behind it, then it comes on at same altitude and airspeed. And then I see it stop at the same altitude and airspeed. Contrails disappear after the aircraft. It isn't turned on and off like skywriting. Contrails also don't spread out from a line to hazy thin layer.
Since you seem to have a clear line of sight where you live what can you make out when viewed through a good pair of binoculars? When I try I cannot make out any commercial markings. What I've seen appear to me to be grayish white unmarked vehicles.
ADS-B Exchange will identify the aircraft. I look there and grab my binoculars to make visual contact. I'm close to PDX and working on a hilltop in Camas with an unobstructed view of the sky. When someone says its contrails, I ask them; how come I see the plane with nothing behind it, then it comes on at same altitude and airspeed. And then I see it stop at the same altitude and airspeed. Contrails disappear after the aircraft. It isn't turned on and off like skywriting. Contrails also don't spread out from a line to hazy thin layer.