A small propeller aircraft struck Beijing's tallest building on Friday, scattering debris across the Chinese capital's central business district, according to the Financial Times.

The aircraft hit the Citic Tower, a 528-metre skyscraper that houses the headquarters of the state-owned Citic financial services group and is known as "China Zun" for the Bronze Age vessel that inspired its shape. Video circulating on Chinese social media showed aircraft parts and what the FT described as apparently minor damage to a high floor of the tower. The severity of the damage has not been independently confirmed.

What makes the incident notable is where it happened. China operates some of the strictest airspace controls in the world, and they are tightest over central Beijing, where drones and private light aircraft are barred from flying without authorisation, the FT reported. The tower sits a few kilometres from Zhongnanhai, the Communist Party's leadership compound — an area where flight restrictions and building-height limits exist partly to protect the security of China's leaders.

A former pilot, who the FT said declined to be named, told the paper that civil aviation is restricted across Beijing's urban core and that any flight inside the capital's second ring road would trigger an immediate warning and a possible air-force response. The Citic Tower lies just outside the wider third ring road.

The aircraft carried the registration B-12PP, which tracking service Flightradar24 identified as a Sunward SA60L Aurora, a two-seat single-engine sport plane, according to the FT. In some footage, the name of a flying school based in eastern Beijing appeared on the fuselage. Its manufacturer, Hunan-based Starair Aircraft, lists the model's maximum take-off weight at 600kg and top cruising speed at 220km/h.

The official response was conspicuous by its absence. Chinese state media did not report the crash in Friday evening coverage, footage was heavily censored on social media, and Beijing's foreign ministry did not immediately respond to the FT's request for comment. One passer-by, cycling past around 6pm local time, told the paper a delivery rider had described an explosion and pointed to broken windows near the top of the tower. By late evening, the FT reported, police had cordoned off the entire block.

No cause has been established, no casualty figures have been released, and no Chinese authority had publicly addressed the incident as of the FT's report.

For insurers, an aircraft striking a landmark commercial tower touches aviation hull and liability lines and high-value property exposure at once — but any assessment of loss is, for now, impossible against a backdrop of official silence and censored information.