In most countries , private flights are always general aviation flights .
The opposite is not true : many general aviation flights ( such as banner towing , charter , crop dusting , and others ) are commercial in that the pilot is hired and paid .
In most countries , private flights are always general aviation flights , but the opposite is not true : many general aviation flights ( such as banner towing , charter , crop dusting , and others ) are commercial in that the pilot is hired and paid .