A look at two important pilot safety issues: one, the mysterious causes of hypoxia-like symptoms in pilots. And two, a new technology that could prevent crashes in the air as well as into the ground.

The service is re-examining training processes and exploring new programs to retain pilots.

Airlines themselves can control most causes of delays. They should apply ‘self-help.’

Why replace what still works? This ejection-seat company still relies on vintage warbirds to test its products.

Ejection seats have evolved along with the aircraft they serve. Here is a brief history of the changes time and technology have wrought.