Two powerful, low maintenance, environmentally friendly, legendarily reliable, Pratt & Whitney PT6C–67C engines with a full digital electronic engine control (FADEC), producing 1679 Shp each at takeoff.
Engines are mounted in separate engine turbine burst containment compartments and have independent inputs to the main gearbox. Side facing engine air intakes greatly reduce bird or flying object ingestion. IR Signature is lowered with airflow and a directional exhaust which also reduces plume impingement on the tail fuselage.
The aircraft features a Honeywell Primus Epic fully integrated avionics system and 4-axis digital Automatic Flight Control System (AFCS). The Primus Epic system features digital avionics, redundant flight systems and NVG compatibility. The cockpit was designed to increase safety while providing excellent visibility and a reduced pilot workload. The avionics suite features an open architecture that facilitates future growth
The AW139 layout provides an easily accessible, spacious, rear cabin area (120 cubic feet, 38.7 square feet of floor area) that is accessible from the main cabin and through two aft cargo doors on either side of the aircraft. This area can be used for mission equipment, litters, or cargo.
Large, spacious, unobstructed, constant cross section cabin with a square floor plan that is fully accessible and usable, and offers maximum mission flexibility and seating for up to 15 people. Both sides of the cabin can be accessed through the large sliding cabin doors with high clearance from main and tail rotors. This also permits quick and easy loading/unloading of personnel, equipment, litters or supplies directly onto the cabin floor, even with a forklift. A rear cabin area compartment is open to the main cabin, and is accessible in flight, or can easily be accessed on the ground through doors on either side of the aft fuselage.