Air Canada hoping to buy Chorus Aviation? FWIW - MotleyFool article https://www.fool.ca/2020/10/26/is-air-canada-tsxac-behind-chorus-aviations-tsxchr-recent-surge/
"A $500 million Chorus Aviation is undoubtedly one of the best bargain offers in the Canadian aviation space. Notably, its unique business model and fixed cash flow bode well amid uncertainties. Chorus provides services like contract flying, charter fleet, and airline operations and maintenance, etc."