Its span wing is 9.4 m ( 30.8 ft ) , the wing area is 13.4 m ( 144 sq ft ) .
The aspect ratio is 6.2 : 1 .
Its span wing is 9.4 m ( 30.8 ft ) , the wing area is 13.4 m ( 144 sq ft ) and the aspect ratio is 6.2 : 1 .