brucek From United States of America, joined Nov 2004, 248 posts, RR: 0 Posted (3 years 6 days 17 hours ago) and read 3783 times:
I searched here but couldn't find the answer- I just flew ATL-DEN as a pax on a DL 738 and was in seat A13, and had no window (the double window panel had one window only). I looked across the aisle and noted that F14 was the same. Is this something to do with where the fuselage sections are joined?
MadDogJT8D From United States of America, joined Oct 2009, 350 posts, RR: 1 Reply 2, posted (3 years 6 days 16 hours ago) and read 3651 times:
That's interesting, I never knew that was the reason. I always thought it was airconditioning ducting or something since it is kind of noisy in that area of the aircraft.
MSYPI7185 From United States of America, joined Oct 2007, 699 posts, RR: 0 Reply 3, posted (3 years 6 days 15 hours ago) and read 3557 times:
A/C ducting travels throught that part of the fuselage, that is why there is no window there. The engines themselves are designed to contain the very rare failure of the engine disk, although there have been a few instances in the past where an uncontained engine failure has occurred.
brucek From United States of America, joined Nov 2004, 248 posts, RR: 0 Reply 4, posted (3 years 6 days 2 hours ago) and read 3148 times:
Thanks for the info. I was able to see a limited view out of the seat in front of me (the small portion of it behind the seat back ahead of me), but I wonder how a claustrophobic person might feel- always the potential to change seats I guess.
Thanks, the flight was originally scheduled on an MD90 which I have never flown in before. DL does a great job, IMO.
JBAirwaysFan From United States of America, joined May 2009, 798 posts, RR: 0 Reply 6, posted (3 years 6 days 1 hour ago) and read 3005 times:
Yes, to my disappointment I had that happen on my last 738 trip with DL. The 763 ER is also missing a window in Row 13 and 15 I believe. The MD-88 has a window in 13 but it is a bit of a strain on the neck. I never sit in row 13 anymore.
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Incorrect. This is not a turboprop. 737's have a missing window at the engine area. That missing window, why? Because there is a fan duct there that goes from the floor to the ceiling to distribute air.
Quoting MadDogJT8D (Reply 2): I always thought it was airconditioning ducting or something since it is kind of noisy in that area of the aircraft.
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Tristarsteve From Sweden, joined Nov 2005, 3712 posts, RR: 34 Reply 8, posted (3 years 5 days 23 hours ago) and read 2832 times:
Quoting AirframeAS (Reply 7): That missing window, why? Because there is a fan duct there that goes from the floor to the ceiling to distribute air.
On the B737-200, there was a full set of windows. The air conditioning riser ducts on each side, were each split into six small pipes that were routed around the windows and up. But these pipes were very small, and prone to blockage, so when Boeing changed to the B737-300, they took out a window and put one big pipe on each side. Shame about the view, but it works much better.
FlyingColours From United Kingdom, joined Dec 2003, 2315 posts, RR: 11 Reply 9, posted (3 years 5 days 23 hours ago) and read 2829 times:
The 757 also has ducting running behind panels around row 13, the row numbers change though depending on the configuration.
I don't recall seeing any similar things on the Airbus, maybe they use a similar system to the 732?
I can't remember, been so long since I've flown on one, or anything these days for that matter...
Phil
FlyingColours
Lifes a train racing towards you, now you can either run away or grab a chair & a beer and watch it come - Phil
longhauler From Canada, joined Mar 2004, 4315 posts, RR: 36 Reply 11, posted (3 years 5 days 5 hours ago) and read 2649 times:
Quoting FlyingColours (Reply 9): I don't recall seeing any similar things on the Airbus, maybe they use a similar system to the 732?
Quoting Tristarsteve (Reply 10): Yes the small airbus has loads of riser ducts, one beside each window, so you will never see them.
While it is very subtle on the A320, the same gaps exist on every Airbus passenger transport, for the same reason. Large riser ducts are far more efficient than several small ones.
You will notice the subtle gap ahead of the forward over-wing exit on the A320.
Very subtle on the A320 but it sure is quite clear on the A319 and A321.
Quoting Tristarsteve (Reply 10): Yes the small airbus has loads of riser ducts, one beside each window, so you will never see them.
So does this mean that they have resolved the issues with them blocking up like they did on the 732? - I'm guessing they have since they don't appear to have changed them.
Phil
FlyingColours
Lifes a train racing towards you, now you can either run away or grab a chair & a beer and watch it come - Phil
No aircraft is armoured against a disk failure. The energy is far too high. I think you're thinking of a blade-out, which is supposed to be contained by the engine.
Quoting MSYPI7185 (Reply 3): The engines themselves are designed to contain the very rare failure of the engine disk, although there have been a few instances in the past where an uncontained engine failure has occurred.
Nobody designs commercial engines to contain disk failures. You protect against disk failures by designing safe-life disks. It's totally impractical to contain a failed disk, and I'm not aware of anyone who's successfully done it. Containing a failed *blade* is a requirement, which is proven during engine certification. This occasionally results in some low energy bits escaping from the engine at odd angles which may reach the fuselage, but this is a totally different case than a disk failure (i.e. rotor burst), which will throw metal right through the entire engine case and fuselage.
rwy04lga From United States of America, joined Jul 2005, 2250 posts, RR: 7 Reply 14, posted (2 years 12 months 1 day 19 hours ago) and read 2200 times:
Quoting tdscanuck (Reply 13): but this is a totally different case than a disk failure (i.e. rotor burst), which will throw metal right through the entire engine case and fuselage.
ala United 232? Wasn't that caused by a failed rotor disc?
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iowaman From United States of America, joined May 2004, 4114 posts, RR: 7 Reply 19, posted (2 years 11 months 4 weeks 1 day 14 hours ago) and read 1979 times:
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Quoting LASoctoberB6 (Reply 18): Will there be seats in front of row 13 that will pop up at 23:58 on the 5th?
Usually, you can book exit rows 24 hours before departure as well as preferred seats, if available. The exception is on Saab flights, where exit rows are available to non-elites any time.
Starlionblue From Hong Kong, joined Feb 2004, 15904 posts, RR: 66 Reply 20, posted (2 years 11 months 4 weeks 1 day 10 hours ago) and read 1961 times:
Quoting iowaman (Reply 19): Usually, you can book exit rows 24 hours before departure as well as preferred seats, if available. The exception is on Saab flights, where exit rows are available to non-elites any time.
Very much airline dependent.
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HAWK21M From India, joined Jan 2001, 31228 posts, RR: 58 Reply 21, posted (2 years 11 months 4 weeks 1 day 2 hours ago) and read 1911 times:
Quoting Tristarsteve (Reply 8):
On the B737-200, there was a full set of windows. The air conditioning riser ducts on each side,
On the B732 they were routed from the Main Distribution Manifold through numerous narrow ducts to the Overhead Distribution Manifold.The Later versions used Wider ducts.
The B732 ducts had a problem of splitting & leakage.
regds
MEL.
JetsGo From United States of America, joined Jul 2003, 2971 posts, RR: 5 Reply 22, posted (2 years 11 months 3 weeks 5 days 16 hours ago) and read 1775 times:
Ugh, I had that seat back in 2006 flying ATL-SMF....and of course it was a full load so I was stuck with it.
KCmike From United States of America, joined Jul 2004, 537 posts, RR: 0 Reply 23, posted (2 years 11 months 3 weeks 5 days 14 hours ago) and read 1755 times:
Doesnt sound as bad as row 36 on an MD88. I flew one with Delta this weekend, and had a nice, noisy view of an engine for 2 hours.
Starlionblue From Hong Kong, joined Feb 2004, 15904 posts, RR: 66 Reply 24, posted (2 years 11 months 3 weeks 5 days 12 hours ago) and read 1749 times:
I used to sit in the back row on the Mad Dogs all the town while commuting. I know it sounds crazy but the drone plus earplugs put me right to sleep. Which was pretty much what I needed at that point.
"There are no stupid questions, but there are a lot of inquisitive idiots." - from Citadel by John Ringo
25 iowaman: It is, but on Mesaba's Saabs you can book exit rows at anytime. I just flew on an award ticket, and I could book exit rows at the kiosk on mainline,
26 LASoctoberB6: That was the absolute worst flight I've ever been on. The flight was uneventful, but the panel was right in my face, just teasing me. Of course, they
27 Aesma: So I've learned two things reading the thread : that there are window seats without a window, I'm a window guy so I'll have to remember that. Usually
28 Starlionblue: That's not really true for jets. The cowling itself is designed to contain any stray blades.
29 tdscanuck: An important qualifier is that it's designed to contain stray blades, but not failed disks. The fan and engine cases will contain any individual blad
30 Aesma: So, I was watching pictures in the DB, and I just saw an ATR with visible reinforcement on the fuselage, is that only for ice ? http://www.airliners.n
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