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What Exactly Is This?  
User currently offlinePMN From United Kingdom, joined Mar 2005, 563 posts, RR: 0
Posted (9 years 7 months 3 weeks 5 days 22 hours ago) and read 4060 times:

I was at AMS yesterday, and noticed on this KLM 767 what looks like it might be an air intake or some kind of access hatch. Does anyone know exactly what purpose this serves? I've never seen it before.

http://i2.photobucket.com/albums/y36/MMSR5/Picture234.jpg

http://i2.photobucket.com/albums/y36/MMSR5/Picture285.jpg

Cheers
Paul


Edith in his bed, a plane in the rain is humming, the wires in the walls are humming some song - some mysterious song
12 replies: All unread, jump to last
 
User currently offlineFutureUALpilot From United States of America, joined May 2000, 2608 posts, RR: 8
Reply 1, posted (9 years 7 months 3 weeks 5 days 22 hours ago) and read 4047 times:

Air intake for the APU maybe?


Life is better when you surf.
User currently offlineN243NW From United States of America, joined Jul 2003, 1639 posts, RR: 20
Reply 2, posted (9 years 7 months 3 weeks 5 days 21 hours ago) and read 4034 times:

Hi Paul-

I'm almost certain that is the APU inlet door. This is where the air enters the rear fuselage and runs through a duct to the APU in the tail. You can see a similar type of door on the 737 in a slightly different location:

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Photo © 737doctor
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Photo © Islam Chen


If by any chance this is not what I think it is, it is probably a part of the aircraft's pressurization/air conditioning system.

-N243NW bigthumbsup 



B-52s don't take off. They scare the ground away.
User currently offlinePMN From United Kingdom, joined Mar 2005, 563 posts, RR: 0
Reply 3, posted (9 years 7 months 3 weeks 5 days 21 hours ago) and read 4025 times:

Thanks N243NW, I always wondered where the APU's air supply came from. Makes sense!

Paul



Edith in his bed, a plane in the rain is humming, the wires in the walls are humming some song - some mysterious song
User currently offlineNewark777 From United States of America, joined Dec 2004, 9348 posts, RR: 29
Reply 4, posted (9 years 7 months 3 weeks 5 days 21 hours ago) and read 4032 times:

They mention it in this picture:


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Photo © TriplET



Harry



Why grab a Heine when you can grab a Busch?
User currently offlineC133 From United States of America, joined Jan 2005, 225 posts, RR: 0
Reply 5, posted (9 years 7 months 3 weeks 5 days 21 hours ago) and read 4003 times:
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APU inlet, pretty sure.


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User currently offlineLimaFoxTango From Antigua and Barbuda, joined Jun 2004, 800 posts, RR: 2
Reply 6, posted (9 years 7 months 3 weeks 5 days 21 hours ago) and read 4005 times:

It's the APU air inlet door. 757's and777's have them there as well.

777

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Photo © Bernardo Andrade



757

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Photo © Piotr Marek




You are said to be a good pilot when your take-off's equal your landings.
User currently offlineAPFPilot1985 From , joined Dec 1969, posts, RR:
Reply 7, posted (9 years 7 months 3 weeks 5 days 20 hours ago) and read 3967 times:

Would the inlet door on the A320 be just below the front of the tail on the co pilots side? Similar to the 737?

User currently offlineAirWillie6475 From United States of America, joined Jan 2005, 2448 posts, RR: 1
Reply 8, posted (9 years 7 months 3 weeks 5 days 15 hours ago) and read 3865 times:

When I was young I noticed this on a 747 and I was scared that that part of the plane was broken. On the 747 that opening looks big.

User currently offlineIFixPlanes From Germany, joined Feb 2005, 239 posts, RR: 0
Reply 9, posted (9 years 7 months 3 weeks 5 days 13 hours ago) and read 3844 times:

@APFPilot1985

Take a look at this Photo:
http://www.airliners.net/open.file/606889/L/

Ingo



never tell an engineer he is wrong ;-)
User currently offlineJAGflyer From Canada, joined Aug 2004, 3568 posts, RR: 4
Reply 10, posted (9 years 7 months 3 weeks 3 days 6 hours ago) and read 3487 times:

Usually you will see heat waves coming out of this opening from the APU.


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User currently offlineMD11Engineer From Germany, joined Oct 2003, 14130 posts, RR: 62
Reply 11, posted (9 years 7 months 3 weeks 3 days 3 hours ago) and read 3430 times:

The A320 APU inlet is on the bottom of the tail cone.

JAGFlyer,

There should be no heat coming out of this door, since it is used to suck COOL air into the APU. The heat comes out of the exhaust in the tail.

Jan


User currently offlineVS74741R From United Kingdom, joined Feb 2005, 272 posts, RR: 0
Reply 12, posted (9 years 7 months 3 weeks 3 days ago) and read 3382 times:

The 747 APU inlet door is the most obvious I think.


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Photo © Eduardo França
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Photo © Peter Unmuth - VAP




Obviously a Virgin Atlantic fan!!!
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