Condensation trails, or more simply contrails, form when hot, humid air from a turbofan jet exhaust mixes with environmental air of low...

Here are the release notes for EZWxBrief version 1.2.0. There's nothing to download. Close and restart the progressive web app (PWA) on...

In your primary training you may have run across the lifted (or lifting) index (LI). In fact, the FAA has several knowledge test...