An FAA order to inspect 471 Boeing 737 MAX jets sounds alarming. The mechanism behind it, and why no cracks have actually turned up on the model, explains why airlines aren't changing their schedules.

Planes chase headwinds on purpose: a 20-knot wind at the nose can cut takeoff and landing ground speeds by 20 knots or more, which is why runways face different directions depending on the day.

The fifth offer in 23 days finally moved easyJet's board. What Castlelake gets for £5.2bn, and why the deal needs a 51 percent European wrapper.