PPRuNe Forums - BA EGLL Nois abatement

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Spooky 2

19th Nov 2014 09:03

BA EGLL Nois abatement

Can any BA 777 folks tell what proceure they are using for RWY 27R at EGLL. I assume it's some version of the NADP 1 but I was wondering if the power reduction is being done at 1000' or 800'? Building a sim lesson for the 777 simulator.

Thanks

Shaka Zulu

19th Nov 2014 09:13

Thrust reduction is at 1000'AGL out of LHR

Amadis of Gaul

19th Nov 2014 17:58

Does it really matter in a sim?

SR-22

19th Nov 2014 23:50

I dont know about BA but the only rules there are that aircrafts have to be at 1000ft AAL within 6.5 km from start of takeoff run, minimum 4% climb gradient to 4000ft, less than 94 dBA at the noise monitors and to follow the noise preferential routes. (UK AIP EGLL AD 2.21)

To be honest I find it peculiar that such an airport simply doesn't simply have a bit clearer rules such as NADP 1/2 or some versions thereof

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