美国高级行政官员：有关飞机的调查仍在进行中，正等待调查的完成，目前关税将为零。

Core Viewpoint - The investigation regarding the aircraft is ongoing, and the current tariff will be zero until the investigation is completed [1] Group 1 - Senior U.S. officials have stated that the investigation into the aircraft remains active [1] - The outcome of the investigation is awaited before any further actions are taken regarding tariffs [1] - Current tariffs on the aircraft are set to zero during the investigation period [1]