Vortech also supplied rotor blades and some key parts for the design.
[1][2] The Vortech Sparrow was designed to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of 254 lb (115 kg).
The aircraft has a standard empty weight of 254 lb (115 kg).
It features a single main rotor, a single-seat open cockpit without a windshield, tricycle landing gear, plus a tail caster.
With full fuel of 5 U.S. gallons (19 L; 4.2 imp gal) the payload for the pilot and baggage is 216 lb (98 kg).