why the B777-300 is less popular than its variant, B777-300ER?
回答 (2)
2016-05-24 10:26 am
ER stands for Extended Range.
Most airlines flying B777 use them on long routes, so the longer range makes the plane more versatile. You can fly an ER on a shorter route, but you can't do the reverse.
Most airlines flying B777 use them on long routes, so the longer range makes the plane more versatile. You can fly an ER on a shorter route, but you can't do the reverse.
2016-05-24 9:20 pm
In a nutshell, because the ER has improved performances compared with the older -300 model.
收錄日期: 2021-04-18 14:51:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160524011913AAJpOre