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Udet Flugzeubau GmbH
U-1 / U-2
U-4
U-5
U-6
U-7 Kolibri
U-8 Limousine
U.10
U-11 Kondor
U.12 Flamingo

Uetz Flugzeugbau
U2V
U4M Pelikan

 

 

 

 

 

 

Ultimate
10-200
10-300

 

United Aerospace Technologies Ltd
Ranger
Super Ranger
Twin Ranger

United Aircraft Corp / UAC

 

United Eastern Aeroplane Corp
A-M Tractor

United States Aircraft Corp

United States Army Engineering Division
FVL-8
BVL-12
USD-9
XB-1
Messenger M-1
MAT
R-3
VCP-1

Univair Aircraft Corp
Stinson 108-5

 

 

 

Uppercu
L-26B

 

Uppercu-Burnelli Aircraft Corp

Model 101
RB-2
CU-16
UB-20

 

Unikomtrans
Unikomtrans 11

 

 

 

Urban Aeronautics
X-Hawk

 

Urbánek II

 

 

URMV-3
IAR 821 / IAR IAR 821
IAR 823 

 

1911 Biplane