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What Is The Difference Between ER And LR?  
User currently offlineBoeingPride800 From United States of America, joined Jun 2004, 429 posts, RR: 2
Posted (8 years 10 months 3 weeks 18 hours ago) and read 5308 times:

What is the difference between ER (Extended Range) and LR (Long(er) Range)? Only Boeing uses these terms.

4 replies: All unread, jump to last
 
User currently offlineGigneil From United States of America, joined Nov 2002, 16215 posts, RR: 88
Reply 1, posted (8 years 10 months 3 weeks 18 hours ago) and read 5300 times:

There is only one LR Boeing model, which is longer range than the ER, which is longer range than the normal model.

Pretty straightforward. The capabilities for each model differ per platform.

N

User currently offlineUAL747DEN From United States of America, joined Dec 2003, 2226 posts, RR: 12
Reply 2, posted (8 years 10 months 3 weeks 17 hours ago) and read 5286 times:

I believe that the ER is achieved by doing very little changes, and mostly just within the computer and in certification. The LR represents major changes to an aircraft and actual engineering changes being made so that the aircraft has an entirely different use.... Hope I was able to explained it somewhat understandable, and I could be completely wrong Who Knows!!!


/// UNITED AIRLINES
User currently offlineConcordeBoy From , joined Dec 1969, posts, RR:
Reply 3, posted (8 years 10 months 3 weeks 17 hours ago) and read 5277 times:

and I could be completely wrong

I'll take option 2 for 5 dollars please Alex.

User currently offlineTbanger From Australia, joined Jul 2004, 266 posts, RR: 0
Reply 4, posted (8 years 10 months 3 weeks 17 hours ago) and read 5269 times:

Only Boeing uses these terms

I believe that Bombardier also use these terms. Follow this link and read the "HISTORY" section.

http://www.airliners.net/info/stats.main?id=125
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