Piper L-4, Grasshopper
US Army Aviation Museum
Ft. Rucker, Alabama, USA
November 19, 2014
The L-4 is the military version of the Piper J-3 Cub. L-4, and its various versions, were redesignated as YO-59, O-59, O-59A, and UC-83A. Thousands of units were built of this aircraft in a variety of models.
US Army Aviation Museum
Ft. Rucker, Alabama, USA