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What Is That Red Window?  
User currently offlinePipoA380 From Switzerland, joined May 2005, 1594 posts, RR: 51
Posted (8 years 8 months 3 weeks 2 days 18 hours ago) and read 6609 times:
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Hey!

Just wanted to know, I always see this "red window" on the testplanes we see a lot now, including the A380 and B777-240LR

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Photo © Royal S King



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Photo © French Frogs AirSlides



Simple question: what is it?

Thanks for your help!
Philippe


It's not about AIRBUS. it's not about BOEING. It's all about the beauty of FLYING.
29 replies: All unread, showing first 25:
 
User currently offlineMatt72033 From United Kingdom, joined May 2005, 1617 posts, RR: 4
Reply 1, posted (8 years 8 months 3 weeks 2 days 17 hours ago) and read 6582 times:

red parts are normally test equipment i believe!

User currently offlinePipoA380 From Switzerland, joined May 2005, 1594 posts, RR: 51
Reply 2, posted (8 years 8 months 3 weeks 2 days 17 hours ago) and read 6578 times:
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Quoting Matt72033 (Reply 1):

Yes that was my guess too. Here on this pic we can see it from the inside.


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Photo © William Appleton



Would it be something mesuring the pressure on the fuselage?



It's not about AIRBUS. it's not about BOEING. It's all about the beauty of FLYING.
User currently offlineMatt72033 From United Kingdom, joined May 2005, 1617 posts, RR: 4
Reply 3, posted (8 years 8 months 3 weeks 2 days 17 hours ago) and read 6573 times:

Quoting PipoA380 (Reply 2):
Would it be something mesuring the pressure on the fuselage?

probably, give an indication of the differential pressure the windows must withstand!


User currently offlineFredT From United Kingdom, joined Feb 2002, 2185 posts, RR: 26
Reply 4, posted (8 years 8 months 3 weeks 2 days 14 hours ago) and read 6463 times:

A pressure reference in the window line would not be much use. Too many things to disturb the flow. There's a multitude of other reasons to have something poking out into the airstream though.

How about emergency depressurization? On the civilian test flights I've been in contact with, that was done through a special door with a valve. Something about the idea doesn't sound too likely though...



I thought I was doing good trying to avoid those airport hotels... and look at me now.
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 5, posted (8 years 8 months 3 weeks 2 days 12 hours ago) and read 6424 times:

The red blanking windows are just were test equipment is set up to take mesurments.


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"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 6, posted (8 years 8 months 3 weeks 2 days 3 hours ago) and read 6310 times:

Looks like Test Equipment provision.
regds
MEL



Think of the brighter side!
User currently offlineEI747SYDNEY From Ireland, joined Oct 2005, 702 posts, RR: 0
Reply 7, posted (8 years 8 months 3 weeks 1 day 21 hours ago) and read 6253 times:

Definately test equipment. Most of the aircraft is filled with all types of equipment used for pressure, ballast etc. However the specific function of this particular red window. I have no idea.

Rob



''Live life on the edge, Live each and every day like it's your last, Hell you only live once''
User currently offlineRendezvous From New Zealand, joined May 2001, 515 posts, RR: 0
Reply 8, posted (8 years 8 months 3 weeks 8 hours ago) and read 5092 times:

Emergency escape possible too?

User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 9, posted (8 years 8 months 3 weeks 5 hours ago) and read 5028 times:

Quoting Rendezvous (Reply 8):
Emergency escape possible too

Pls elaborate.
regds
MEL



Think of the brighter side!
User currently offlineFredT From United Kingdom, joined Feb 2002, 2185 posts, RR: 26
Reply 10, posted (8 years 8 months 2 weeks 6 days 16 hours ago) and read 4835 times:

Quoting Rendezvous (Reply 8):
Emergency escape possible too?



Quoting HAWK21M (Reply 9):

Pls elaborate.

In case something goes terribly wrong and you decide it is time for the test crew to take a silk ride, you need to depressurize the aircraft to get the doors open. Special doors with valves is one way I'm familiar with, but there could be other solutions.

I think we have reached the point where we know that we do not know until somone who knows comes along.  Smile



I thought I was doing good trying to avoid those airport hotels... and look at me now.
User currently offlineAloges From Germany, joined Jan 2006, 8685 posts, RR: 43
Reply 11, posted (8 years 8 months 2 weeks 6 days 16 hours ago) and read 4824 times:

I can't remember where on TV I've seen it, but a documentary on the A380 said the emergency exit on that plane was a hatch whose cover needed to be blown away (with some sort of explosive) for the crew to escape. I doubt a crew would be able to open the 1L door during flight without being severely injured; they'd also risk being sucked in by the engines and hitting the wing or tail exiting anywhere but the belly.


Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 12, posted (8 years 8 months 2 weeks 6 days 15 hours ago) and read 4810 times:

There is or was a second thread running on these 'red windows' over the weekend. The picture they choose showed the escape hatch clearly on the A380. It looked like it was built into the cargo door.


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineManzoori From UK - England, joined Sep 2002, 1516 posts, RR: 34
Reply 13, posted (8 years 8 months 2 weeks 6 days 15 hours ago) and read 4800 times:

These shots show the crew escape hatch:-


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Photo © Wim Callaert - Brussels Aviation Photography
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Rez



Flightlineimages DOT Com Photographer & Web Editor. RR Turbines Specialist
User currently offlineAloges From Germany, joined Jan 2006, 8685 posts, RR: 43
Reply 14, posted (8 years 8 months 2 weeks 6 days 13 hours ago) and read 4754 times:

Quoting Manzoori (Reply 13):
These shots show the crew escape hatch:-

Makes sense to put it there - it must be easier to change the cargo door than some fuselage panels if the escape hatch mechanism attached to it fails big time.



Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineFokker Lover From , joined Dec 1969, posts, RR:
Reply 15, posted (8 years 8 months 2 weeks 6 days 12 hours ago) and read 4725 times:

If I remember correctly, when the F28 was was undergoing flight tests, there was a pretty elaborate escape system. Floor beams behind the cockpit were removed. The flight crew was attached to a cable system that would yank them through the floor, and out the FWD cargo door, after it was blown off its hinges.
I guess compared to dying this would be the lesser of two evils, but that would be one hell of a rough ride with some guaranteed injuries.


User currently offlinePipoA380 From Switzerland, joined May 2005, 1594 posts, RR: 51
Reply 16, posted (8 years 8 months 2 weeks 6 days 10 hours ago) and read 4685 times:
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Thanks for all the replies mates! But it still seems to be an open question  Wink If anyone knows for sure, better show up!  wave 
Best regards!
Philippe



It's not about AIRBUS. it's not about BOEING. It's all about the beauty of FLYING.
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 17, posted (8 years 8 months 2 weeks 6 days 9 hours ago) and read 4664 times:

Quoting PipoA380 (Reply 16):
If anyone knows for sure, better show up!

As has been said above, they are were test equipment has been set up to take measurements. I have personally been on-board the Embraer 190 test aircraft and were each red window was some sort for test or measuring sensor was hooked up to it...... Air pressure, air temperature, laminar air flow etc.....



"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineFTOHIST From United States of America, joined Mar 2004, 73 posts, RR: 0
Reply 18, posted (8 years 8 months 2 weeks 6 days 9 hours ago) and read 4657 times:

I work as a technician on the GE 747 engine testbed (N747GE), and we have many of those blankoffs. Some of them are used for icing tests, where we stick a probe out through the plate into the airstream and then measure the ice buildup. Other plates on our airplane have TAT probes mounted through them, for extra temperature measurements into our data system that are independent of the aircraft systems. We have quite a few blankoffs that are there for other special purposes should the requirement pop up.

I have also worked on board the ERJ170 test airplanes, and seen roughly the same setup. I would imagine that airframe flight testing uses more varied equipment than we do for powerplant development.


User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 19, posted (8 years 8 months 2 weeks 6 days 3 hours ago) and read 4596 times:

Quoting Aloges (Reply 14):
Makes sense to put it there - it must be easier to change the cargo door than some fuselage panels if the escape hatch mechanism attached to it fails big time.

Any Inside View pics Available.
regds
MEL



Think of the brighter side!
User currently offlineGrandTheftAero From United States of America, joined Nov 2003, 254 posts, RR: 5
Reply 20, posted (8 years 8 months 2 weeks 5 days 16 hours ago) and read 4536 times:

This summer I was based of out Boeing Field as a flight test participant on WD001, the 772LR pictured above. That particular blank-off has an OAT sensor mounted in it (IIRC). The other side of the plane has a blank-off with both a pitot tube and an OAT sensor in it.

Someone please correct me if I've gotten them mixed up.


User currently offlineAloges From Germany, joined Jan 2006, 8685 posts, RR: 43
Reply 21, posted (8 years 8 months 2 weeks 5 days 11 hours ago) and read 4490 times:

Quoting HAWK21M (Reply 19):
Any Inside View pics Available.

I'm afraid not; I haven't been able to find any online (tought I didn't check airbus.com) and I can't remember what TV channel I saw that on. Basically it looked like a red tube that the crew would jump into to leave the aircraft; of course after blowing the hatch off.



Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineFokker Lover From , joined Dec 1969, posts, RR:
Reply 22, posted (8 years 8 months 2 weeks 5 days 11 hours ago) and read 4479 times:

Aloges
This might help your search.

Crew Escape System Development


Due to the configuration of the airplane, there was little likelihood

that any manual bailout scheme would be successful


Early in 1979, began searching for something better


As luck would have it, Stanley Aviation and Stencel had developed

such a system for Airbus


Extensive system and physiological testing had been.....

This is where I found that.

PPT] PowerPoint PresentationFile Format: Microsoft Powerpoint 97 - View as HTML
Flight Test jobs. Calspan Simulations. Crew escape system development. Spin chute system development. Calspan Simulations ...
www.flighttestsafety.org/ workshops/FTSC03/learfan/learfan.pps - Similar pages


User currently offlineAloges From Germany, joined Jan 2006, 8685 posts, RR: 43
Reply 23, posted (8 years 8 months 2 weeks 5 days 10 hours ago) and read 4463 times:

Quoting Fokker Lover (Reply 22):
Aloges
This might help your search.

Ah, thanks! I'm sure HAWK21M appreciates it as well.



Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 24, posted (8 years 8 months 2 weeks 4 days 18 hours ago) and read 4409 times:

Quoting Fokker Lover (Reply 22):
www.flighttestsafety.org/ workshops/FTSC03/learfan/learfan.pps

The link does not work.
regds
MEL



Think of the brighter side!
25 Aloges : You need to remove the space between ".org/" and "work". There are some videos that PPS file links to, but the links seem to be broken.
26 Starlionblue : Also, moving the L1 door at altitude and/or if there is any kind of maneovring is probably impossible.
27 Post contains images FredT : But what if you have an African swallow, a European swallow, a string, a purpose built door to replace the plug door and a coconut? Notice how I cleve
28 HAWK21M : The File opens but some Video links don't. Thanks Anyway. regds MEL
29 Post contains links JHSfan : Try to open this URL. It leads to a directory with the PPS file and some videos. Links does not work because the video links in the PPS file contains
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