The Leonardo AW139 ferries offshore oil workers across the Gulf of Mexico, rushes trauma patients to hospitals, and lifts ...

The main rotor of the doomed helicopter that crashed into the Hudson River was finally recovered Monday — which could provide crucial information as investigators continue to probe what caused the ...

The fundamental design principles behind rotary-wing aircraft date back to the Renaissance, with some of the earliest-known designs belonging to Leonardo da Vinci. Naturally, technology has ...

A tourist helicopter crashed into the Hudson River in New York City on Thursday, killing six people. A former military helicopter pilot told BI the helicopter's rotary system appears to have failed.

Add Yahoo as a preferred source to see more of our stories on Google. BROOKSVILLE, Fla. (AP) — Authorities say a man was hit in the head by the main rotor blades and killed while working on a ...

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An R-44 was an a charter flight with one pilot and passenger over the Mount Windsor National Park near Mossman, Queensland on November 16, 2016 when one of the main rotor blades struck and separated a ...