The Piel CP-150 Onyx is a single-seat, low-cost and low-power ultralight aircraft.
[1] The aircraft was designed by French aeronautical engineer Claude Piel.
The aircraft is an all-wood single seat microlight based on Mignet principles with fixed tricycle undercarriage and one 12 hp Solo engine.
Data from Jane's All the World's Aircraft 1987–88, p.587General characteristics