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・All Nippon Airways B777-200 has different types of engines.
B777-281....... PW4074
B777-281ER... PW4090、PW4074D
The PW4074 is used by the conventional B777, but now there are only two aircraft left, JA713 and 714.
-The point of the PW4074D and PW4090 is to make a unique tone when taking off.
In this video, you can see two types of takeoffs: the JA715A with PW4090 and the JA713A with PW4074.
At first, it is difficult to distinguish the difference between the two, but if you listen closely, you can feel the difference.
2:43 B777-281ER JA715A PW4090
4:32 B777-281 JA713A PW4074
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#aviation #takeoff #広島空港
6 окт 2024
