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UFO Sightings in King of Prussia, Pennsylvania

9 documented UFO sightings in King of Prussia, Pennsylvania since 1999, peaking in 2021 (3 reports); most often described as oval.

1999–2021 · peak 2021 (3 reports)

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Best documented case here

One strong report — not the whole list. Open it, then hop to related signals on the case page.

Driving west on PA TP, crystal clear day, white object caught our eye high in sky, we googled weather balloon and it didn't resemble; s

I took pictures of a sunset only to afterwards see this odd shape-shifting thing in the pictures. It moves counter to the clouds.

Light moving across the sky over the Pennsylvania turnpike

Saw 3 brightly lit oval whitish-green craft flying in line formation over King of Prussia at night. One very fast.

Three oval shaped objects in the sky around the King of Prussia, PA area on I-76.

3 people see formation in Pennsylvania sky

Small Spherical Object moving silently to the West

White boomerang ,no lights shaped object. KING OF PRUSSIA,PA 18:30 followed by lots of helicopters

While on our roof, my two sons and I saw three glowing, noiseless orange/brown/yellow glowing objects flying fast in perfect formation