ゲン・コーポレーションが開発した一人乗りヘリコプター『GEN H4』のデモフライト映像
Demo flight at Matsumoto airport of the GEN H4, the World's smallest manned helicopter, developed by GEN Corporation.

General information about GEN Corporation and the GEN H4 can be found at:
http://www.gencorp.jp (Japanese)
http://en.gencorp.jp (English)

Current price for a (gasoline) GEN H4 prototype is JPY 7,500,000.00 or about USD 100,000.00 due to small production capacity.