Pentagon documentation suggests the Lakota is the safest training helicopter the Army has ever used at Fort Novosel.

The AH-56A would incorporate several innovations, including a hingeless rotor system also known as ... maximum take-off ...

Sikorsky on Monday detailed recent successful demonstrations with its “rotor blown wing” unmanned aircraft system (UAS), ...

It is equipped with a single 4-bladed main rotor ... system. In June of 2006 the United States Army selected the Eurocopter EC-145 as its choice for a pre-existing off the shelf FAA certified ...

Sikorsky reported successful flight tests for its 115-pound, battery-powered twin prop-rotor unmanned aircraft.

By flying in both the helicopter and airplane ... include winged VTOL UAS and single main rotor aircraft, governed by Sikorsky’s MATRIX flight autonomy system. MATRIX is the technological ...

the tail rotor of a traditional helicopter is a critical safety component. Also, the main propeller is not connected to the aircraft's hydraulic system, while the tail rotor relies on hydraulics ...

"(Brown) attempted to 'dive underneath' the power lines. However, the main rotor blades struck the power lines, and the helicopter subsequently impacted the frozen reservoir," the report states ...