The Transportation Safety Board told Reuters an off-duty "deadheading" pilot landed the plane.
An off-duty pilot stepped in to land an Air Canada flight after the first officer became "incapacitated," officials said.
Emergency services were on hand when the plane landed as a precaution.
The Transportation Safety Board representative told CTV the incident was treated as a "class 5 occurrence," which are minor incidents per its website.
The Transportation Safety Board and Air Canada didn't immediately respond to requests for comment from Insider, made outside normal working hours.
Persons:
John's, Air Canada didn't
Organizations:
Air, Transportation Safety Board, Reuters, Morning, CTV, Transportation Safety, Birmingham, Air Canada
Locations:
Air Canada, Toronto, St, John's, Labrador, Newfoundland