Hillberg Helicopter

1997: PO Box 8974, Fountain Valley, CA 92728-8974, USA.

In addition to helicopter maintenance and modification, offered the RotorMouse EH 1-01 as a single-seat turbine experimental-category helicopter for construction from a kit (first flown August 1993), RotorMouse EH 1 -02 tandem two-seat version, and RotorMouse (Baby Huey) four-seater. Also built the T-4 Turbine as a four-seat turbine helicopter, and produced a retrofit kit for the RotorWay Exec to provide a turbine engine (first flown 1997).