The Robinson R44 Astro is a single-engined light helicopter manufactured by the Robinson Helicopter Company , based on the Robinson R22. It is equipped with a semi-rigid two bladed main rotor and two blades tail rotor. Different to the R22, it features hydraulically-assisted flight controls.
The cabin is equipped with two rows of side-by-side seating for pilot and three passengers. The different variants of the R44, such as Raven or Raven II mainly feature more powerful engines and settings to improve the performance.