You're No 2 on down wind leg, follow B747. Keep sufficient distance separation.

你是第二个在三边，跟着B747，保持足够的。

youdao

What they will all have in common, though, is a valid Airline Transport Pilots License (ATPL) with a B747 Type Rating and a Class1 Medical.

他们所共有的特点就是都拥有有效的商用驾驶员执照和一类身体，通过了波音747体型鉴定。

youdao