oksman
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A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 11:06 am

Hello

I always thought that the best way to differentiate A319´s from A320´s were the four exits over wings (2 each side) that the 320s have, instead of only 2 exits the 319´s got.

However, last week in BCN, and realized that all Vuelling 319´s (at least the one that I flew in and the others I spotted) had 4 exits over wings.

Why is that? Is that an option that Airbus offers to customers depending on the seat density of the aircraft?

Tks
 
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zeke
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 11:11 am

Quoting oksman (Thread starter):

Yes that is correct
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
TCX69K
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 11:17 am

It isn't as such an option that Airbus offers but if the airline customer chooses to have over 150 seats then it is a requirement for them to have the double overwing exits for the aircraft to be certified by the CAA etc..

Several airlines have them, generally low-cost airlines:

airberlin
Allegiant Airlines
easyJet
Germanwings

[Edited 2012-10-25 04:20:46]
 
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zeke
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 11:19 am

Quoting TCX69K (Reply 2):

Easyjet
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
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TupolevTu154
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 11:34 am

Quoting zeke (Reply 3):
Easyjet

You're a man of many words...?

Allegiant's A319's have the four overwing exits because I understand theirs are ex easyjet (who had a capacity of 156).

Now that the OP's question has been answered, Im intrigued to know why some 767's have the exact same amount of exits as these A319's when the seating capacity must be alot higher?
 
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Polot
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 11:40 am

Quoting Tupolevtu154 (Reply 4):
Now that the OP's question has been answered, Im intrigued to know why some 767's have the exact same amount of exits as these A319's when the seating capacity must be alot higher?

The exits on a 767 are larger than those on a A319.
 
Fabo
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 2:20 pm

Quoting Polot (Reply 5):
The exits on a 767 are larger than those on a A319.

This is it. The number of seats depends, basically, on exit size. That means, that the exit door on a 739ER gives less potential size then a full exit door 757 style, and then bigger doors (such as found commonly on 767s I believe) would lend more possible seats than a 757 door.
The light at the end of tunnel turn out to be a lighted sing saying NO EXIT
 
ecbomberman
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 5:31 pm

Is it a customer option to have smaller Emergency exits for 332/333/343 for Doors 3 as well?
VS343/346/744 CX744/L1101/343 MH332/333/733 BD32x/EMB 145 AK320 SQ310/77E/773/744 UA747SP/744 BA744 BI763ER/319 QF763ER
 
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northstardc4m
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 5:41 pm

There is actually a published seats to exit ratio based on each exit type, for the FAA its covered in FAR part 25-803, 807, 809, in which 807 is the most important:
http://www.flightsimaviation.com/data/FARS/part_25-807.html
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety.
 
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TupolevTu154
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 10:08 pm

Quoting Polot (Reply 5):

I should've been a bit more specific, some 767's have overwing exits almost identical to the A319's...


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Photo © Michael D Barker



The above still has 8 exits. Four main and four overwing.
 
Viscount724
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RE: A319´s With 4 Emergency Exits Over Wings?

Thu Oct 25, 2012 10:56 pm

767-200s normally have one overwing emergency exit on each side, but a few with high-density and very cramped 8-abreast seating operated by charter/leisure carriers were built with 2 overwing exits per side to permit the higher seating density. The example I can think of was Britannia Airways. Not sure if there were any others.


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Photo © Stewart.Marshall
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Photo © Alastair T. Gardiner - WorldAirImages



The one overwing exit per side was usually one easy way to identify a Boeing 720, but not for those ordered by Eastern Air Lines which had 2 overwing exits per side like all 707s. I believe they had some plans to use them in a higher density configuration but don't believe they ever did. I believe a few 720s were later modified to add the extra exits when they were sold to charter carriers after retirement by the original operators. That permitted something like 30 additional seats.



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©

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©

 
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larshjort
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RE: A319´s With 4 Emergency Exits Over Wings?

Fri Oct 26, 2012 6:24 am

Quoting Tupolevtu154 (Reply 9):
The above still has 8 exits. Four main and four overwing

But those 8 exits are larger than on the 319. Also a 767 have twin aisles which also speed up the evacuation thereby reducing the need for more doors

/Lars
139, 306, 319, 320, 321, 332, 34A, AN2, AT4, AT5, AT7, 733, 735, 73G, 738, 739, 146, AR1, BH2, CN1, CR2, DH1, DH3, DH4,
 
by738
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RE: A319´s With 4 Emergency Exits Over Wings?

Mon Nov 05, 2012 9:59 pm

Quoting Viscount724 (Reply 10):
The example I can think of was Britannia Airways. Not sure if there were any others.

Braathens
 
redflyer
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RE: A319´s With 4 Emergency Exits Over Wings?

Mon Nov 19, 2012 9:54 pm

Quoting TCX69K (Reply 2):
It isn't as such an option that Airbus offers but if the airline customer chooses to have over 150 seats then it is a requirement for them to have the double overwing exits for the aircraft to be certified by the CAA etc..

Any issues associated with these in the after-market with regards to pricing or configuration? I'm referring to one of these ending up being sold to a prospective buyer that would not want to configure them with the same seating density. Would they leave the exits as-is or inactivate it for reduced maintenance costs?
A government big enough to take away a constitutionally guaranteed right is a government big enough to take away any guaranteed right. A government big enough to give you everything you need is a government big enough to take away everything you have.
 
Viscount724
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RE: A319´s With 4 Emergency Exits Over Wings?

Tue Nov 20, 2012 1:20 am

Quoting redflyer (Reply 13):
Quoting TCX69K (Reply 2):
It isn't as such an option that Airbus offers but if the airline customer chooses to have over 150 seats then it is a requirement for them to have the double overwing exits for the aircraft to be certified by the CAA etc..

Any issues associated with these in the after-market with regards to pricing or configuration? I'm referring to one of these ending up being sold to a prospective buyer that would not want to configure them with the same seating density. Would they leave the exits as-is or inactivate it for reduced maintenance costs?

Reminds me of early UA 727-200s which had an additional emergency exit (larger than the overwing exits) on each side slightly forward of the wing. I forgot the reason for those exits which I don't believe were installed on any other 722s. They were later determined not to be required and were sealed up. Further UA 722 deliveries didn't have them.

One example below, first 2 photos with the extra exits.


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Photo © Pierre Langlois
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Photo © Pierre Langlois



And same aircraft 5 years later after they were sealed. You can see the wider gap beside the window that was in the exit door.


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Photo © AirNikon Collection-Pima Air and Space Museum

 
BrusselsSouth
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RE: A319´s With 4 Emergency Exits Over Wings?

Mon Nov 26, 2012 3:26 pm

Brussels Airlines' OO-SSU and OO-SSV being ex-easyJet examples, they are also equipped with 4 overwing emergency exits:


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Photo © Tom Buysse
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Photo © Steve Brimley



Regards
BrusselsSouth
 
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longhauler
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RE: A319´s With 4 Emergency Exits Over Wings?

Tue Nov 27, 2012 12:30 am

Quoting Viscount724 (Reply 14):
I forgot the reason for those exits which I don't believe were installed on any other 722s.

Very early in United's jet history, they had a few unfortunate accidents whereby evacuation was an issue. Namely, the passengers survived the "crash" but many did not get out of the aircraft in time. This in mind, United added extra exits not found on other aircraft.

The B727-200s you note. But there were two other examples.

The DC-8-61s, had an additional "jetescape" door just aft of the wing. You can see it here soon after construction:

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Photo © George W. Hamlin


Then later on, you can see where the exit was deactivated, and painted over:

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Photo © Arno Janssen


The same was true with the DC-8-62s, built in the same era. They had the extra "jetescape" door just aft of the wing, usually found only on the combi DC-8-62s. As far as I can tell, they were the only all passenger DC-8-62s build without a cargo door, but with this exit. Unlike the others though, this exit remained for the duration of the career at United.

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Photo © Aris Pappas

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