Firefly Front Angle Pad

Stratford, Connecticut, USA

The Sikorsky Firefly is a modified Schweizer S-300C that was announced by Sikorsky in 2010. The aircraft was announced as a technology demonstration, claiming to be a stepping stone to successful electric helicopters. The fuel for the aircraft comes from two 45 Ah lithium-ion batteries manufactured by Gaia Power Technologies. The aircraft was never flown.

Sikorsky Firefly side view
Sikorsky Firefly side view
Sikorsky Firefly internals
Sikorsky Firefly cross-section
Sikorsky S-300C internals
Sikorsky S-300C cross-section

Specifications (predicted):

Passengers 2
Maximum Take Off Weight 2,050 lb 929.9 kg
Max Flight Time
15 min
Maximum Cruise Speed 86 kt 159.3 kg
Max Motor Horsepower
190 hp 141.6 kW
Battery Weight
1150 lb 521.6 kg
Battery Voltage 370 volts



Sikorsky, Electric HelicoptersScaled PrototypeDefunct2 PassengersElectric/Batteries, PilotedVFS Member