An Air Start Unit (ASU) is a pneumatic starting system. Most jets use an Auxiliary Power Unit (APU) but the ASU is an ...

Although turbojet and turbofan jet engines are similar, the things that set them apart make them very different. Here's what you need to know.

A conventional jet engine uses lots of moving parts (see diagram). Rotating blades draw in air and compress it before igniting it with fuel in a combustion chamber, creating rapidly expanding hot ...

For each flight, one pilot launched the jet using conventional flight controls. Then, midflight, they switched control to a second pilot who operated the active flow control system.