The Eurocopter AS350 "Squirrel" is a single-engine light utility helicopter originally designed and manufactured in France by Airbus Helicopters. The Eurocopter AS350B3e is the High-performance version of the AS350, powered by an Arriel 2D engine and equipped with a single channel (DECU) Digital Engine Control Unit with a mechanical backup system. AS350 B3e variant also introduces enhanced engine with dual channel (FADEC) Full Authority Digital Engine Control, dual hydraulics and a 2,370 kg (5,225 lb) Maximum Take Off Weight.