Air Canada pilots may now sport beards up to 1.25 cm, thanks to a new study that proves there is ZERO interference with O2 masks. They join fellow N.A. airlines WestJet and Hawaiian, in permitting facial hair in the cockpit.
https://www.cbc.ca/news/canada/briti...ards-1.4825104
https://www.msn.com/en-ca/news/canad...rds/ar-BBNlz0A