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Thread: ER vs LR (what's the difference?)
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Old Jan 31, 2018 | 4:26 pm
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BER Flyer
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Originally Posted by ijgordon
Not an expert, but the LR should have a longer range than the ER -- 8,555nm vs. 7,065nm, notwithstanding what the DL website might say.
I'm assuming DL only has ERs and LRs, not the base/original 777-200.
Presumably different take-off weights also, but that's probably less important than range.
Thats correct. ER ( extended range ) is the improved base model with a longer range. The LR ( long range ) version has an additional fuel tank installed and hence an bigger MTOW.
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