In 1923, Spanish engineer Juan de la Cierva came up with a rather revolutionary idea: an aircraft that could use an unpowered ...

“During climb, the pilot received a low rotor speed warning, entered an autorotation and conducted a forced landing on a sand dune,” the safety watchdog’s statement reads. “The helicopter ...

"In a less risky environment, you can do an engine flame out or an autorotation," he said ... among seven service members killed when a U.S. helicopter crashed in western Iraq.

Without that tail rotor countering the torque, a single-rotor helicopter would spin in circles uncontrollably. Turboshaft engines also have a vital safety feature known as autorotation.

Meanwhile a commercial pilot with more than 3500 hours flying time said a helicopter engine failure required a crucial manoeuvre called “autorotation” to descend safely to the ground.

The Vietnam Helicopter Pilots Association estimates ... It’s called a touchdown autorotation. After the instructor pulled off the power and left the main rotor to windmill, students had only ...

You can also buy an ultralight helicopter for less than the price ... Airplanes can glide while helicopters have autorotation. Even eVTOLs tend to have four or more motors, and in the worst ...

they won’t do another practice full touchdown autorotation outside of a simulator. When you get wings on your chest in the Navy and Marine Corps, you are a qualified basic helicopter pilot.

A medical helicopter landed on the lawn of a home in Montgomery County, Pennsylvania, Monday night. No one was injured in the emergency landing that happened just after 7:40 p.m. on Musket Road ...

The United States' largest helicopter, which can carry up to 32 passengers, is the CH-53K King Stallion. That's a big bird, and the helicopter has proven itself in various military operations ...

A medical helicopter made an emergency landing in the front yard of a home in Montgomery County on Monday, officials said. This all unfolded around 7:45 p.m. on May 19, 2025, when a PennSTAR ...