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Why The Extra Door On This 767 And Not This 767?  
User currently offlinec5load From United States of America, joined Sep 2008, 917 posts, RR: 0
Posted (4 years 5 months 3 weeks 4 days 9 hours ago) and read 5573 times:

I noticed the extra boarding door on the 767 that's on the left that the 767 on the right doesn't have just forward of the wing. Why? They are the same model.


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Photo © Gábor Vilmányi




"But this airplane has 4 engines, it's an entirely different kind of flying! Altogether"
11 replies: All unread, jump to last
 
User currently onlineunattendedbag From United States of America, joined Oct 2003, 2328 posts, RR: 1
Reply 1, posted (4 years 5 months 3 weeks 4 days 8 hours ago) and read 5570 times:

Quoting c5load (Thread starter):
They are the same model.

They are not the same model. They are the same series. Note one is a -3P6 and the other is a -332. They had different original owners. Those different owners bought different plane configurations hence the difference.



Slower traffic, keep right
User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 2, posted (4 years 5 months 3 weeks 4 days 8 hours ago) and read 5564 times:

It's really simple: The 767 on the left can seat 295 passengers The 767 on the right can seat 275.

[Edited 2010-04-01 18:52:48]

User currently offlinec5load From United States of America, joined Sep 2008, 917 posts, RR: 0
Reply 3, posted (4 years 5 months 3 weeks 4 days 8 hours ago) and read 5560 times:

Quoting unattendedbag (Reply 1):
Note one is a -3P6 and the other is a -332

So those different letters and numbers actually mean something? I had always wondered that.



"But this airplane has 4 engines, it's an entirely different kind of flying! Altogether"
User currently offlineViscount724 From Switzerland, joined Oct 2006, 25372 posts, RR: 22
Reply 4, posted (4 years 5 months 3 weeks 4 days 8 hours ago) and read 5532 times:

There are several optional door and emergency exit configurations on 767s. The additional doors/exits increase seating capacity due to emergency evacuation requirements. Some carriers also have a galley at the 2nd door location while others do not. Some carriers also like the extra doors so both doors can be used to speed up boarding/deplaning, especially at airports where passengers board by stairs as at many airports served by charter/leisure carriers in Europe.

Other aircraft including the 757 and 60-series DC-8s have also had a few door/emergency exit options. Some A319s with high-density seating, like those operated by EasyJet, have 2 overwing emergency exits on each side like the A320, while most A319s only have one.

A330s are also available with different types of emergency exits that affect the total seating capacity. For example, LX and LH with low-density seating configurations have a small emergency exit just behind the wing, while carriers with high-density seating layouts have a full-size door in that location.to meet evacuation requirements. You can see the difference if you enlarge the A330-300 photos below. Air Transat has about 120 more seats on their 333s than LH.


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Photo © Gilbert Hechema
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Photo © Thomas Rosskopf



User currently offlineViscount724 From Switzerland, joined Oct 2006, 25372 posts, RR: 22
Reply 5, posted (4 years 5 months 3 weeks 4 days 8 hours ago) and read 5523 times:

Quoting unattendedbag (Reply 1):
Quoting c5load (Thread starter):
They are the same model.

They are not the same model. They are the same series. Note one is a -3P6 and the other is a -332. They had different original owners. Those different owners bought different plane configurations hence the difference.
Quoting c5load (Reply 3):
Quoting unattendedbag (Reply 1):
Note one is a -3P6 and the other is a -332

So those different letters and numbers actually mean something? I had always wondered that.

The last 2 numbers/letters only identy the original customer. The aircraft could be identical but the customer codes will be different if they wre ordered by two different airlines. In the photos above, the -3P6 is an ex-Gulf Air aircraft (P6 is GF's Boeing customer code) and the -332 is an original DL aircraft with their 32 customer code.

[Edited 2010-04-01 19:33:09]

User currently offlinebohica From United States of America, joined Feb 2004, 2701 posts, RR: 0
Reply 6, posted (4 years 5 months 3 weeks 4 days 6 hours ago) and read 5438 times:

There are three different door configurations available for the 767-300.

4 doors plus 4 overwing exits:

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Photo © Ilya Morozov - Russian AviaPhoto Team



6 doors plus 2 overwing exits:

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Photo © Javier Rodriguez - Iberian Spotters



8 doors, no overwing exits:

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Photo © Aurélien TRANCHET



User currently offlineStarlionblue From Greenland, joined Feb 2004, 17044 posts, RR: 67
Reply 7, posted (4 years 5 months 3 weeks 4 days 3 hours ago) and read 5375 times:

Quoting c5load (Reply 3):
So those different letters and numbers actually mean something? I had always wondered that.

No, Boeing just adds them for kicks.  

Boeing codes are based on the initial customer. Airbus codes are based on the engine. This should help: http://www.rosboch.net/aviation.htm#Codes



"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineSeptember11 From United States of America, joined May 2004, 3623 posts, RR: 21
Reply 8, posted (4 years 5 months 3 weeks 3 days 22 hours ago) and read 5280 times:

Quoting Viscount724 (Reply 4):
Some carriers also like the extra doors so both doors can be used to speed up boarding/deplaning, especially at airports where passengers board by stairs as at many airports served by charter/leisure carriers in Europe.

And some First Class travelers like the extra doors between first class and coach.



Airliners.net of the Future
User currently offlinec5load From United States of America, joined Sep 2008, 917 posts, RR: 0
Reply 9, posted (4 years 5 months 3 weeks 1 day 21 hours ago) and read 4697 times:

Quoting Viscount724 (Reply 4):
There are several optional door and emergency exit configurations on 767s. The additional doors/exits increase seating capacity due to emergency evacuation requirements.

I would assume then that this holds true for all airplanes, not just the 767?



"But this airplane has 4 engines, it's an entirely different kind of flying! Altogether"
User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 80
Reply 10, posted (4 years 5 months 3 weeks 1 day 15 hours ago) and read 4540 times:

Quoting c5load (Reply 9):
I would assume then that this holds true for all airplanes, not just the 767?

It's true that more doors/exits increases allowable seating capacity, but not all airplanes have optional exit configurations. Some of them are just "what you see is what you'll get."

Tom.


User currently offlineViscount724 From Switzerland, joined Oct 2006, 25372 posts, RR: 22
Reply 11, posted (4 years 5 months 3 weeks 1 day 13 hours ago) and read 4502 times:

Quoting c5load (Reply 9):
Quoting Viscount724 (Reply 4):
There are several optional door and emergency exit configurations on 767s. The additional doors/exits increase seating capacity due to emergency evacuation requirements.

I would assume then that this holds true for all airplanes, not just the 767?

Not all aircraft have those types of options. The 707 had no optional door/exit arrangements if memory correct. The only differences were linked to the specific model. For example, the 707-320C with main deck cargo door had extra emergency exits just behind the wing, but that wasn't a customer option.

The Boeing 720 had one overwing emergency exit on each side, but 2 exits per side (as on the 707) was an option. If memory correct the only carrier that ordered the extra exits on their 720s was Eastern as they had at one point planned to use them in a higher-density layout but I don't think they ever did.

DC-8s prior to the -60 series also had no such options as far as I recall. Neither did the 747, except for early 747-200s where some had only one upper-deck emergency exit and could thus only carry 16 passengers in that cabin (after carriers replaced the usual F class lounge with seats in the late '70s/early '80s). Later production 742s had 2 upper deck exits and could carry about 30 passengers in that cabin. Several carriers (KL was one) modified their early 742s to add the extra upper deck exit.


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