He said the helicopter's pilot did not report mechanical problems, and weather was not an issue.

他说直升飞机驾驶员当时并没有报告飞机出现了机械故障，而且当时天气也没有问题。

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Professor Hansman said the existing evidence suggested that mechanical failure did not lead to the crash but that the pilot was most likely responsible.

汉斯曼表示，现有的证据显示，并非技术上的故障导致飞机坠落，而很有可能是飞行员的责任。

youdao

Professor Hansman said the existing evidence suggested that mechanical failure did not lead to the crash but that the pilot was most likely responsible.

汉斯曼表示，现有的证据显示，并非技术上的故障导致飞机坠落，而很有可能是飞行员的责任。

youdao