|
|
X
|
Designator
|
Type/Wt Class
|
Model
|
Manufacturer
|
|
X29
|
L1J/M
|
X-29 (712)
|
GRUMMAN
|
|
X31
|
L1J/M
|
X-31
|
MBB
|
|
X31
|
L1J/M
|
X-31
|
ROCKWELL
|
|
X31
|
L1J/M
|
X-31
|
ROCKWELL-MBB
|
|
X32
|
L1J/M
|
X-32
|
BOEING
|
|
X35
|
L1J/M
|
X-35
|
LOCKHEED MARTIN
|
|
X4
|
L1P/Lt
|
X-4
|
ROBIN
|
|
XL2
|
L1P/L
|
XL-2
|
LIBERTY
|
|
XNOS
|
L1P/L
|
Xenos
|
SONEX
|
|
XV15
|
T2T
|
XV-15 (301)
|
BELL
|
|