Unknown Aircraft spotting

As I was flying in Southern California last night 3/15, I noticed two separate aircraft that were marked “Unknown” Does anyone have any ideas of what they could be? The MD-11?

This happens when the plane users info isn’t downloaded to your phone. So it shows as Unknown. It’s not the MD-11


Lame. I thought I was onto something cool…


Sorry for ruining your dreams

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all good chief it will take more than that.


I don’t think we will be able to figure out the aircraft.
There’s not enough info & no pictures of the possible plane.

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You should have ​followed it and said what it was

This happens when it can’t retrieve the aircraft data.