The Aviation Scale Bar tool creates a standard scale bar that can be customized.
![Aviation scale bar example Aviation scale bar example](GUID-864F502A-E02E-44F1-9F57-15FD1FD8D69C-web.png)
- Start ArcMap.
- On the main menu, click View > Layout View.
- On the main menu, click Customize > Toolbars > Aviation Layout.
- Click the Aviation Scale Bar button
on the Aviation Layout toolbar.
A scale bar appears. By default, the scale bar represents the current focus map scale if it is not zero.