holding pattern

  1. Trailspotter

    Racetrack contrails near Genoa, Italy on December 26 [Air France and EasyJet flights on hold, Fog]

    A video posted on Facebook on December 26, 2015 at 08:46 UTC shows a plane circling in the sky near Genoa and leaving a racetrack contrail https://www.facebook.com/idromarco/posts/1230480320302678 Also, there is a photograph of the same or similar contrail taken at approximately the same...
  2. Mick West

    Solved: U-Shaped Contrail near San Francisco [NASA502 Survey, again]

    Several tweets about this today: I'm assuming these are near real-time, as people tweet from their phones. That would put this one at around 12:50 PDT (UTC-7) 19:50 UTC. It appears to be looking due south, from...