Argonaut From UK - Scotland, joined Dec 2004, 417 posts, RR: 1 Posted (7 years 2 months 3 weeks 2 days 12 hours ago) and read 7311 times:
My questions concern the gaps in the otherwise continuous cabin window pattern observable on all Boeing 767s, especially just ahead of the wing.
Next week I will be travelling by Air New Zealand 767-300ER on a trans-Pacific flight. My seat assignation is in row 13. The first question is: in that row, am I doomed to a "non-viewing" window seat? (BTW, don't you just love that oxymoron?)
Although I've flown in plenty of 767s before, this will be my first time on an NZ example. As we all know, every operator has a different seating layout, particularly in this area of the cabin---so my previous experience with other airlines' 767s means little. To find out the NZ 763 cabin configuration, I've checked all the sources I can find; the most helpful has been SeatGuru, which seems to indicate that everything will be just fine and I won't be staring at a blank wall after all. But is it true?
My second, more general question is: why are those windows omitted anyway? I have always believed it was because there were extra frames at those stations in the fuselage structure. Is this correct?
CCA From Hong Kong, joined Oct 2002, 708 posts, RR: 14 Reply 1, posted (7 years 2 months 3 weeks 2 days 11 hours ago) and read 7291 times:
Quoting Argonaut (Thread starter): My questions concern the gaps in the otherwise continuous cabin window pattern observable on all Boeing 767s, especially just ahead of the wing.
Quoting Argonaut (Thread starter): My second, more general question is: why are those windows omitted anyway? I have always believed it was because there were extra frames at those stations in the fuselage structure. Is this correct?
The reason there are no windows at those positions is due to "riser ducts" these are ducts that feed the air from the Air Con packs under the center wing to the ceiling where it's distributed throughout the A/C.
It differs on A/C types the 767 for example the air leaves the packs going fwd of the center wing tank and up into the rear of the fwd cargo where it enters a mixer unit, from there it's fed to the risers. As you can see the 777 has blank spaces as well.
There is no window frame at these points it's just the skin as the frame if installed would take up to much space.
The 747 has 3 risers each side the air leaves the packs rearward and goes up in the fwd part of the wheel well it then goes into the mixeror air plenum on top of the center tank, from there it's fed to the risers. As you can see the A330 has one fwd of the wing it's possible it may have one aft of the wing as well.
Argonaut From UK - Scotland, joined Dec 2004, 417 posts, RR: 1 Reply 2, posted (7 years 2 months 3 weeks 2 days 7 hours ago) and read 7223 times:
Thanks for explaining so clearly. Now I have the picture.
BTW, by "frames", I really meant fuselage frames (or hoop frames, as some call them) to which stringers and skin are fastened, rather than window frames, but that doesn't affect your answer.
Thanks for taking the trouble, and for hunting down illustrations too! Much appreciated.
Hmmmm... From Canada, joined May 1999, 2088 posts, RR: 5 Reply 3, posted (7 years 2 months 3 weeks 2 days 6 hours ago) and read 7193 times:
Well yes you are doomed. Simply by the mere fact that you are in row 13. I don't know of anyone who has sat in row 13 and actually made it to their destination. I'm not saying it's not possible. I'm just saying I don't personally know of anybody.
An optimist robs himself of the joy of being pleasantly surprised
CCA From Hong Kong, joined Oct 2002, 708 posts, RR: 14 Reply 4, posted (7 years 2 months 3 weeks 1 day 19 hours ago) and read 7112 times:
Found some more pics, you can see the risers in the first pic, this is from the SCA (Shuttle Carrier) though so the huge frames between doors 3 & 4 arn't on standard 747s.
Argonaut From UK - Scotland, joined Dec 2004, 417 posts, RR: 1 Reply 6, posted (7 years 2 months 3 weeks 1 day 13 hours ago) and read 7049 times:
Quoting Hmmmm... (Reply 3): Well yes you are doomed. Simply by the mere fact that you are in row 13. I don't know of anyone who has sat in row 13 and actually made it to their destination.
Well, naturally I broke into a cold sweat when I saw the seat allocation. Yikes! Then I remembered...
...I'd done it before! And survived! So from now on, you do know of at least one person who has made it. Of course, I might have passed into an alternate dimension on the journey... ...
But no way will you get me to stay on floor 13 in a hotel. I'm not that crazy.
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From UK - Scotland, joined Dec 2004, 417 posts, 
From Hong Kong, joined Oct 2002, 708 posts, 
From Canada, joined May 1999, 2088 posts, 
From Denmark, joined Aug 2004, 1682 posts, 
Yikes! Then I remembered...
...
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