Try BELLE & BLADE HOME VIDEO they have almost all available movies of ww1 aviation I also have collected most of them.
ACE OF ACES
ACES HIGH
THE BLUE MAX
CRIMSON ROMANCE
DARLING LILI
THE DAWN PATROL (1930)aka THE FLIGHT COMANDER
THE DAWN PATROL (1938)
THE EAGLE AND THE HAWK (only movie with Cary Grant as villian)
FIGHTER ACES
FOUR YEARS OF THUNDER
THE GREAT WALDO PEPPER
HELL'S ANGELS
LAFAYETTE ESCADRILLE
LILAC TIME
THE LOST SQUADRON
THOSE MAGNIFICENT MEN AND THEIR FLYING MACHINES
THE RED BARON
VON RICHTOFEN AND BROWN
WHERE THEY FLEW AND WHERE THEY FELL
WINGS
ZEPPELIN
WW1,AMERICA TAKES TO THE AIR ,VOL. 1
WW1: THE FIGHT FOR THE SKYS
REACH FOR THE SKY
Heres my list, hope it helps,
TA TA, and Cheerio;
Lt. Dwight Rudder, RFC
'
BILLY BISHOP RULES!!!'