I was reading through some of the AAWSAP research documents and stumbled upon this description of what a stargate/wormhole would look like if one appeared in real life. Eerily similar to the vanishing airliner.

Link to document: https://drive.google.com/file/d/1FfmB9uASnMCdT28FlDST2T1BYHiKdGkn/view