[1][2] The Hummingbird is a development of the certified Sikorsky S-52 that first flew in 1947, adapted to kit form.

The aircraft features a single main rotor, a four-seat enclosed cabin, quadracycle landing gear and an option for skids.

[1] The prototype was converted by Vertical Aviation Technologies from a Sikorsky S-52-3.

Its 33 ft (10.1 m) diameter fully articulated three-bladed main rotor employs a NACA 0015 airfoil.

With full fuel of 57 U.S. gallons (220 L; 47 imp gal) the payload is 668 lb (303 kg).