At the top of Sacramento International Airport’s six-story parking garage, the air smells faintly of fuel and asphalt. Heat ripples off the tarmac. A United Airlines 737 noses onto the runway and ...

If you’ve ever been fascinated by watching a plane taking off or land, you’re not alone. It’s called plane spotting, and if you check the internet, you’ll find livestreams dedicated to the hobby. One ...