Early on Jan. 19, several pilots reported "multiple lights sometimes in a triangle formation(opens in a new tab)" high above the Canadian Prairies.

"I had a company aircraft over Thunder Bay suggest, he thinks it possibly could be satellites," an air traffic controller in Winnipeg told aviators around 4:45 a.m. local time, according to audio obtained by CTVNews.ca.

"I'm certainly no expert, but they're moving side-to-side and then going away from each other and then forming triangles," an Air Canada pilot from Seattle to Winnipeg replied while flying over Saskatchewan. "That doesn't really seem like they're in any type of orbit. But I mean, I'm no expert."

"Yeah, it's quite bizarre," a pilot on a nearby Flair Airlines flight from Vancouver to Toronto added. "There's around six of them just randomly in formation flying at a high altitude at 12 o'clock."

"Definitely not satellites," a pilot on a Morningstar Air Express cargo flight from Calgary to Toronto interjected. "It's unlike anything I've ever seen in the 15 years of night flying that I've done." …

To read more and view the audio, click here.