The latest release of Google Earth has a couple of new features that you may not be aware of.

As well as exploring the Earth, it now lets you look up and explore the sky

The second new feature is a hidden flight simulator. It is a fairly basic flight simulator but the views are good.
Keyboard shortcuts for the flight simulator.

The instructions state use Control+Alt+A to start the flight simulator, if that does not work use Contol+Windowskey+A instead.