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Forum: Tech Log

26th Aug 2012, 12:07

Replies: 68

What are you bus drivers doing over my house ?

Views: 16,680

Posted By A4

Yep - fair call. I forgot about Approach idle :O...

Yep - fair call. I forgot about Approach idle :O - but it's only about 5% on N1 I think not enough to generate the noise.

Forum: Tech Log

26th Aug 2012, 07:23

Replies: 68

What are you bus drivers doing over my house ?

Views: 16,680

Posted By A4

Why? When you configure your normally slowing...

Why? When you configure your normally slowing down. Let's say you're at 220 knots selected speed, descending in OP DES (idle thrust) and ATC request 180 knots. "Manage" the speed to start reducing to...

Forum: Tech Log

25th Aug 2012, 18:31

Replies: 68

What are you bus drivers doing over my house ?

Views: 16,680

Posted By A4

You said it. Tailwind. For this approach, 9 times...

You said it. Tailwind. For this approach, 9 times out of 10 the decel+descent is also the turn to base leg which also usually has a tailwind. If you don't speedbrake it, you catch the fella in front...

Forum: Tech Log

25th Aug 2012, 16:00

Replies: 68

What are you bus drivers doing over my house ?

Views: 16,680

Posted By A4

Whilst I'm sure the flaps will generate some...

Whilst I'm sure the flaps will generate some noise I still think its speedbrake. I live directly under the approach at appoint where the aircraft are through approximately 4500' at, typically, 220...

Forum: Tech Log

25th Aug 2012, 11:46

Replies: 68

What are you bus drivers doing over my house ?

Views: 16,680

Posted By A4

But in descent, thrust is at idle (normally) -...

But in descent, thrust is at idle (normally) - especially if the speedbrakes are out! (you don't put power against drag) - so I dont think it is engine noise.

I fly the A319 and have heard this...

Forum: Tech Log

25th Aug 2012, 09:54

Replies: 68

What are you bus drivers doing over my house ?

Views: 16,680

Posted By A4

If I recall, inbounds to BRS are always held high...

If I recall, inbounds to BRS are always held high due to the London TMA (Terminal Manoeuvring Area) so if you're landing "straight in" to runway 27 you always end up "hot and high" i.e. you've got a...

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