China says Long March 7A rocket launch failed after flight anomaly

China's Long March 7A rocket experienced a launch failure on August 10, resulting in the loss of the ChinaSat-4B satellite. The rocket lifted off from the Wenchang space launch site in Hainan province at 8:02 p.m. Beijing time, but an in-flight anomaly led to the mission's failure. The cause is currently under analysis and investigation by the China National Space Administration.

Astronomer Jonathan McDowell observed that launch footage indicated the rocket was destroyed at a relatively low altitude and velocity, meaning neither the payload nor debris achieved orbit. This incident is the first failure for the Long March 7A since its initial flight in March 2020, which also suffered an in-flight malfunction. The rocket had since completed over a dozen successful flights.

The payload was identified as Zhongxing-4B, or ChinaSat-4B, a satellite intended to provide voice, data, radio, and television transmission services, similar to its predecessor ChinaSat-4A launched in 2024. Such high-orbit satellites are crucial for broadcasting and telecommunications, especially in remote areas.

This failure could prompt checks on other Chinese launches if a common issue in components, manufacturing, or launch operations is identified. China is also preparing for its Chang'e-7 lunar mission at the Wenchang site, which will utilize a different, larger rocket, the Long March 5.