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AC853
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Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 4:30 pm

I noticed some 767-300 have three doors instead of two. I thought this may be an exit requirements for higher density layouts, but all 767 with British Airways have the extra door and they operate them in all classes and do not, I believe, have any in high density.
 
tonystan
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RE: Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 4:38 pm

Can't answer your question I'm afraid but just to note that BA operate 7 B767s in a short haul configuration of up to 259 pax!
My views are my own and do not reflect any other person or organisation.
 
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Polot
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RE: Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 4:42 pm

There are 3 different 763 door configurations. I don't have time right now, someone else can explain them. In the meantime look in the photo database.
 
 
LAXintl
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RE: Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 4:48 pm

It was an option.

Same with 757s, they had option to replace the overwing exits with door aft of the wing.


Several threads on the topic.


Position of 767-300 doors. (by Craig Feb 28 1999 in Civil Aviation)
Doors On Boeing 767 (by Fly US Airways Nov 1 1999 in Civil Aviation)
767 Emergency Exit Doors (by ORDUSA Jun 23 2005 in Civil Aviation)
Boeing 767 And 757 Multiple Door Options (by AT Oct 5 2004 in Civil Aviation)

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SpaceshipDC10
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RE: Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 4:48 pm

Quoting ac853 (Thread starter):
Why Do Some 767-300 Have Three Doors?

In these two previous thread you may find some answers.

Two Types Of Door Configuration On B767-300 (by SAA-SAL Jun 3 2003 in Tech Ops)

Differences Between 767-300 And 767-3Y0/767-336 (by Hoons90 Oct 6 2001 in Civil Aviation)
 
questions
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RE: Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 4:49 pm

Also...

Premium passengers hate having the economy cabin masses schlepping through the First/Businessvclass cabin during boarding. They prefer to walk onto the aircraft and "turn left."

Airlines hate the lost real estate of the mid cabin doors.
 
CF-CPI
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RE: Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 5:01 pm

It is a matter of operator preference for the most part. When a third entry door is added forward of the wing, the overwing exits are typically done away with. BA, Gulf Air, Air Algerie and some others opted for the additional door. Many of the GF ships went on to serve with DL, but the seating density is more or less the same as the two door+wing exit config. TWA operated a mixed fleet of door configurations on the 767-300s as well.

There is an added wrinkle with the BA ships, namely a window/minidoor exit behind the wing as well. Maybe a member can clarify, but as far as I know, BA never operated the 767-336 at such a density that all of these exits were a safety requirement.

IMHO a center door is a nice feature for those in First and Business who do a 'left turn' on boarding (as with the 757), but on those occasions with TW and DL when I got a center door equipped ship, we boarded from L1 in front, and I have seen many pics of DL ex-GF ships at the gate and cannot recall a single instance where the jetway was at center L2 instead. Can anyone at DL explain if the L2 door is just not used for boarding, as a matter of company policy?
 
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Stitch
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RE: Why Do Some 767-300 Have Three Doors?

Mon Sep 02, 2013 11:51 pm

Quoting ac853 (Thread starter):
I noticed some 767-300 have three doors instead of two. I thought this may be an exit requirements for higher density layouts, but all 767 with British Airways have the extra door and they operate them in all classes and do not, I believe, have any in high density.

As noted above, it is mostly an airline choice as to which exit configuration is used, but the Exit Limit is based on how many exits and their type are installed. In the case of the 767-300 family, it is certified for 290 passengers with 2 Type A and 2 Type III (overwing) exits or 3 Type A and 1 Type III (overawing) exit. With 3 Type A and 1 Type I exit, the certification limit rises to 351.
 
bohica
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RE: Why Do Some 767-300 Have Three Doors?

Tue Sep 03, 2013 12:13 am

Quoting CF-CPI (Reply 7):
I have seen many pics of DL ex-GF ships at the gate and cannot recall a single instance where the jetway was at center L2 instead. Can anyone at DL explain if the L2 door is just not used for boarding, as a matter of company policy?

Considering the few number of ex GF 763's in DL's fleet, it's a lot easier to standardize ground handling of the entire 763 fleet as opposed to having different procedures for each sub-type. This way it is the same procedures for boarding/deplaning, aircraft parking, jetway positioning, catering, etc. By not using the center L2 door it saves money on training as well.
 
Viscount724
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RE: Why Do Some 767-300 Have Three Doors?

Tue Sep 03, 2013 12:29 am

Some carriers also serve quite a few more basic airports where passengers board and deplane using stairs, and may wish to be able to use the 2 forward doors simultaneously to speed up the process.
 
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1337Delta764
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RE: Why Do Some 767-300 Have Three Doors?

Tue Sep 03, 2013 1:02 am

Quoting CF-CPI (Reply 7):
t is a matter of operator preference for the most part. When a third entry door is added forward of the wing, the overwing exits are typically done away with. BA, Gulf Air, Air Algerie and some others opted for the additional door. Many of the GF ships went on to serve with DL, but the seating density is more or less the same as the two door+wing exit config. TWA operated a mixed fleet of door configurations on the 767-300s as well.

There is an added wrinkle with the BA ships, namely a window/minidoor exit behind the wing as well. Maybe a member can clarify, but as far as I know, BA never operated the 767-336 at such a density that all of these exits were a safety requirement.

IMHO a center door is a nice feature for those in First and Business who do a 'left turn' on boarding (as with the 757), but on those occasions with TW and DL when I got a center door equipped ship, we boarded from L1 in front, and I have seen many pics of DL ex-GF ships at the gate and cannot recall a single instance where the jetway was at center L2 instead. Can anyone at DL explain if the L2 door is just not used for boarding, as a matter of company policy?

The BA exit layout with 6 full-size doors and 2 smaller doors aft of the wings (no overwing exits) isn't unique to them; it was the exit layout used by most 763 operators outside the United States. The Gulf Air layout was the least common layout globally, with 6 doors and 2 overwing exits.

[Edited 2013-09-02 18:04:28]
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Mender
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RE: Why Do Some 767-300 Have Three Doors?

Tue Sep 03, 2013 9:44 am

Quoting 1337Delta764 (Reply 11):
The BA exit layout with 6 full-size doors and 2 smaller doors aft of the wings (no overwing exits) isn't unique to them; it was the exit layout used by most 763 operators outside the United States.

Even if you only operate a single class cabin there is a significant advantage in this layout.

When you load an aircraft from the #1 door every single passenger would have to queue in the aisle for the person in front of them to stow their bag and sit down

However, when you load an aircraft via the #2 door (FWD of the wing) the passengers can turn left or right depending on their seat number thus speeding up the departure.

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