All the test aircraft and Increment 1 helicopters have been completed.

所有的测试飞机和Increment 1的直升机已经完全到位。

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Boeing also confirms that ground vibration testing were concluded last week on the second test aircraft, ZA002.

波音表示，地面振动测试已经于上周在第二架测试飞机- ZA002上完成。

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Work will also continue on the other five flight test aircraft and the subsequent aircraft in the production system.

另外五架试飞飞机以及其它正在生产中的飞机的相关工作也在进行中。

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"We're really trying to support the people who design and test aircraft, " Hammond said.

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The FAA has also approved limited test flights for two aircraft to test the changes in the batteries.

BBC: Dreamliner battery redesign approved by FAA

In previous incidents, one of the 787 test flight aircraft lost primary electrical power in 2010 and was forced to make an emergency landing in Texas.

CNN: Airline: Dreamliner fuel leak due to an open valve