An American Airlines passenger jet and an Army helicopter collided on Jan. 29 as the plane prepared to land at Washington, D.

The Jan. 29 collision between an Army helicopter and a passenger airplane over Washington killed 67 people. The Jan. 29 ...

In recent years, China has been rapidly advancing the development of its low-altitude economy, with 2024 being recognized as ...

Investigators previously said the helicopter may have had inaccurate altitude readings in the moments before the crash, and the crew may not have heard key instructions from air traffic controllers.