Merge airplanes?

[unmerged(27729)]

I can merge other units but not airplanes, why?? o

 

[unmerged(37026)]

bring one air unit active with a click, then hold shift and draw a frame over the province.

Then only the air units will be selected and you can delete the units you don't want to merge with shift+click.

 

[kucing]

http://forum.paradoxplaza.com/forum/showthread.php?t=178885