boeingpride800
Posts: 391
Joined: Tue Jun 29, 2004 10:05 am

What Is The Difference Between ER And LR?

Wed Aug 04, 2004 5:58 am

What is the difference between ER (Extended Range) and LR (Long(er) Range)? Only Boeing uses these terms.
 
gigneil
Posts: 14133
Joined: Fri Nov 08, 2002 10:25 am

RE: What Is The Difference Between ER And LR?

Wed Aug 04, 2004 6:01 am

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 avatar
ual747den
Posts: 1514
Joined: Sat Dec 27, 2003 1:29 pm

RE: What Is The Difference Between ER And LR?

Wed Aug 04, 2004 6:05 am

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
 
ConcordeBoy
Posts: 16852
Joined: Thu Feb 01, 2001 8:04 am

RE: What Is The Difference Between ER And LR?

Wed Aug 04, 2004 6:08 am

and I could be completely wrong

I'll take option 2 for 5 dollars please Alex.
Faire du ciel le plus bel endroit de la terre c'est impossible sans Concorde!
 
tbanger
Posts: 253
Joined: Tue Jul 27, 2004 6:11 pm

RE: What Is The Difference Between ER And LR?

Wed Aug 04, 2004 6:12 am

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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