Hoppi-copters Inc.
|
The company was formed by Horace Pentecost to develop an ultra-light helicopter. It was based in Seattle, Washington, USA
|
|||||||||||||||||||||
|
|
||||||||||||||||||||
Hoppi-copters Inc.
|
The company was formed by Horace Pentecost to develop an ultra-light helicopter. It was based in Seattle, Washington, USA |
||||
Hoppi-copters Inc.
|
The company was formed by Horace Pentecost to develop an ultra-light helicopter. It was based in Seattle, Washington, USA
|
||||
|
|
||||