Last year the U.S. Federal Aviation Administration certified the Terrafugia Transition as airworthy.

去年，美国联邦航空管理局为特拉弗吉亚汽车颁发了航证。

And if it's airworthy, the aircraft is safe.

如果航的，那么它就安全的。

Rather than trust the FAA, they may order their own tests before certifying future Boeing aircraft as airworthy.

们或许宁愿在未来认证波音的前制定自己的检测也不愿再相信FAA了。

Those in Canada and Europe are re-examining decisions to approve the 737 max based on mutual recognition agreements with America rather than trust the FAA they may order their own tests before certifying future bearing aircraft as airworthy

那些在加拿大和欧洲的构正在重新审查基于与美国的相互认可协议批准737 Max系列的决定，而不完全信任美国联邦航空管理局。们可会在认证未来航之前自行进行测试。

An airplane undergoes a number of key  checks before a flight, so a technician needs to provide airworthy approval to the pilots  before they are cleared to commence operations.

在行前要进行多项关键检查，因此技术人员需要在行员获准开始运营之前向们提供航许可。