Your source is specific to Heathrow Airport which is a much smaller scale than the entire aviation system; and an "emergency landing" doesn't always mean a cata

Your source is specific to Heathrow Airport which is a much smaller scale than the entire aviation system; and an "emergency landing" doesn't always mean a catastrophic failure. "Emergency landings within a 20-week time period that come out to about one plus per day yes, I think they deserve further scrutiny and better explanation from the FAA," Tristani said. https://abc7ny.com/archive/8441902/ https://abc7ny.com/archive/8441902/