41 ft. 9 in.
73 ft. 6 in.
Some 175 PZL M-15 aircraft were produced by PZL, Poland. However, due to their high fuel consumption, and poor maintenance record, they were only manufactured for six years. It appears that none are flying today.
RC PZL M-15
The RC PZL M-15 scratch built by Gero of RC Groups has a 71 in. wingspan with a length of 41 in. It is of balsa and plywood construction. Power is by a WeMoTec Midi Fan and all up weight is around 6 1/2 lbs.