Homendy said investigators are confident, based on radio signals, that the helicopter was 278 feet above the river at the time of the crash, or 78 feet above the authorized altitude. But ...

Inconsistent altitude readings from helicopters have been a recurring ... crucial air traffic control instruction to "pass ...

At the time of impact, the passenger plane’s radio altitude was 313 feet. Radio altitude measures the height of an aircraft above a terrain, which in this case was the Potomac River, the NTSB said.

An Army helicopter crew potentially misread their altitude and missed crucial radio communications before colliding with an American Airlines jet over Washington, DC. The NTSB is investigating the ...

The radio altitude of the helicopter was 278 feet (85 meters) at the time of the collision, which would put the Black Hawk above its 200-foot (61-meter) limit for that location. Cockpit conversations ...

In 2024, a low-altitude company named Vertaxi in Shanghai witnessed a three-fold year-on-year revenue increase in its small and medium-sized industrial drone business. Company Vice President Sheng ...

The U.S. Army Corps of Engineers begin operations to remove the mangled fuselage of a plane and a helicopter from the Potomac River on Feb. 3, 2025, after a passenger jet collided with an Army ...

SHANGHAI, March 7 (Xinhua) -- East China's Shanghai has set up a special committee on low-altitude radio spectrum safety to safeguard the sound development of its low-altitude economy. According ...