Helicopters can be as dangerous as they are valuable, in part because of a phenomenon called rotor wash. What is rotor wash, ...

We've seen helicopters hover both in movies and in real life rescues. The Guinness World Record for the longest hover, set in 1989, is 50 hours.

When rotor downwash from a helicopter in hover or slow flight close to the ground hits the surface, this turbulent airmass circulates outward, upward, around and away from the main rotors in all ...

first helicopter to meet the aviation industry's control and performance expectations for a practical design. After Emile and Henry completed the testing of their triplane model, the younger Berliner ...

Several helicopter downwash complaints and incidents at Derriford Hospital were recorded and investigated previously. Action was taken in each case to address the causes identified.

YORK COUNTY, Pa. — Those in the region may see a helicopter hovering over parts of south central Pennsylvania today, July 10, for black fly spraying that will take place over rivers and creeks in ...

Concerns over hovering helicopters near Trump's Mar-a-Lago in Palm Beach often devolve into ireful political debate on community message boards.

Concerns over hovering helicopters near Trump's Mar-a-Lago in Palm Beach often devolve into ireful political debate on community message boards.

Airbus Helicopters continues to eye novel architectures for future rotorcraft designs, including new compound and tail rotor-free configurations, patent applications reveal.