Mystery material ended up in backyard

GMascelli

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GaryM
This material landed in the backyard of my family friend. They still live close to where I grew up in north Wilmington Delaware which is under the flight path into Philly. Anyone have any ideas as to what this might be? They think it’s part of a tire but I’m not sure it’s pliable just looking at the photos sent. I did ask and I’m waiting to hear back. FYI the same material has been found multiple days.
 

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That’s the skin from an experimental stealth alien spaceship that the government doesn’t want anyone to know about. Thanks for putting us all in the crosshairs! :rofl:

Sorry…nothing constructive to contribute.
 
According to AI, undetermined.

From the images, the material appears to be a dense, rubbery or synthetic compound, possibly rubberized debris. Given the texture and ridges, it may have come from an industrial or mechanical source such as:

  1. Aircraft Debris: If it fell from a plane, it could be part of a tire, conveyor belt, or insulation from the landing gear or other equipment. Aircraft tires are designed to be extremely durable, and the texture matches the kind of material used for heavy-duty aviation or industrial purposes.
  2. Industrial Equipment: It might be a piece of heavy-duty machinery, conveyor systems, or a rubberized mat used for vibration isolation or shock absorption.
  3. Other Sources: Given the soil and debris attached, it could also be an old piece of agricultural or construction equipment that surfaced due to ground movement or digging.
If your friend believes it fell from a plane:

  • Consider reaching out to the FAA or a local airport to report and inquire, especially if there’s reason to suspect aviation involvement. They can investigate unusual debris sightings.
If it’s unrelated to aviation, it could help to clean a small section and inspect for any markings or identifying features such as part numbers, which can reveal its origin.
 
Whatever it is, I don't advise eating it, even with that salt in the picture.

I"m thinking someone flushed the latrine holding tank.
 
It could be some heavy duty sound absorbing material. For what, I have no idea
 
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