| Aviation | Aviation History | Aircraft | Airports |
|---|---|---|---|
|
<categorytree>Aviation</categorytree> |
<categorytree>Aviation history</categorytree> |
<categorytree>Aircraft</categorytree> |
<categorytree>Airports</categorytree> |
| Airlines | Aerospace companies | Lists | By Country |
|
<categorytree>Airlines</categorytree> |
<categorytree>Aerospace companies</categorytree> |
<categorytree>Aviation-related lists</categorytree> |
<categorytree>Aviation by country</categorytree> |
Aviation is also part of the wider category Transport.