Měiguó Liánbāng Hángkōngjú duì zhè qǐ shìgù zhǎnkāi le diàochá.
The US Federal Aviation Administration launched an investigation into this accident.
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The FAA is translated as 美国联邦航空局 (Měiguó Liánbāng Hángkōngjú) or sometimes 美国联邦航空管理局. China's equivalent is 中国民用航空局 (CAAC), often shortened to 民航局 (mínhángjú).