aerodynamical contrail

  1. Mick West

    Aerodynamic Contrails at 27,000 to 31,000 feet near Sacramento

    This is AA16 from San Francisco to JFK, flying over Cameron Park at 2:17 PM (iPhone Camera time, which I think is accurate). 21:17 UTC It was climbing, and at the time of the the above photo it was about 27,000 feet, but looks like it started contrailing at around 26,000 feet. It continued...
  2. M

    fuel dumping or Aerodynamic contrail

    I was wondering if that what you see in the following video is fuel-dumping or an aerodynamical contrail and how you can differentiate them.