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DFWFlightOps

Designation Question

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What is the difference in T7 ETOPs between B773 & B77W.  I know the W means ER, but I thought the all T7 was certified for 180 etops, out of the factory.

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As I understand - it's ultimately up to the carrier to decide what level of ETOPS  to maintain the aircraft to. If they don't want to keep up with the maintinance required for ETOPS 180, they can use ETOPS 120. I believe Air New Zealand as an example only maintains some of their aircraft to ETOPS 330. 

Also, see this thread: http://forum.avsim.net/topic/448764-united-airlines-777-etops-cert/

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What is the difference in T7 ETOPs between B773 & B77W.  I know the W means ER, but I thought the all T7 was certified for 180 etops, out of the factory.

 

The 777-300 is a completely different model.  Check wikipedia for a rundown on the differences.

 

As for ETOPS (a completely separate issue from 300 versus 300ER - I don't need an ER-branded plane to fly ETOPS), Karl is correct.  See here:

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Sorry, I had a brain fart!  I should have known that the B773 would have different weights but didn't even consider that.  I just thought it was the EXACT same plane but one had ER certification and one did not.

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