>>173966
The Sky Crawlers
Porco Rosso
Last Exile
Toaru Hikuushi e no Tsuioku / The Princess and the Pilot
Haven't watched the second two, but I've heard a lot of good things about Last Exile.
For more things that I've never heard of but will also fit what you want:
http://myanimelist.net/anime/3089/The_Sky_Crawlers/userrecs
http://myanimelist.net/anime/97/Last_Exile/userrecs
Just make sure the recommendation mentions planes or pilots in the description.
Tangentially:
The Wind Rises (It's about a guy that makes planes)
>>173966
Does mecha count?
>>173995
no Macross you dont count
>>174002
So you probably watched it already.
Area 88
801 TTS Airbats
Idol Defense Force Hummingbird