If the aircraft passes this inspection, a pilot must fly between 25-40 hours of test flights in specific non-populated areas to make sure all components are operating properly.
如果飞机通过了这项检查，那么由一名飞行员在特定的非居住区飞25 - 40小时的飞行试验，以确保所有组件正常运行。
If the aircraft passes this inspection, a pilot must fly between 25-40 hours of test flights in specific non-populated areas to make sure all components are operating properly.
如果飞机通过了这项检查，那么由一名飞行员在特定的非居住区飞25 - 40小时的飞行试验，以确保所有组件正常运行。
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