twolz2rn
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Dual Jetbbridges

Tue Jan 17, 2006 6:39 am

Why havent many airports adopted the dual jetbridges for the big planes like at AMS? it seems like it would help speed up boarding and deboarding. Also, does AMS use them on their MD-11's and 747's on a regular basis?
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yowza
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RE: Dual Jetbbridges

Tue Jan 17, 2006 6:43 am

Duals are used at many airports but mainly the type that feed the front two doors. And soon you will see dual level bridges for the 380 popping up around the place. In fact there is already one at DXB. Notice the bottom right.


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LFutia
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RE: Dual Jetbbridges

Tue Jan 17, 2006 6:43 am

Think of cost and also, many airports dont have room to expand. as aiports expand, the use of dual airbridges shall come.

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twolz2rn
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RE: Dual Jetbbridges

Tue Jan 17, 2006 6:47 am

is AMS the only airport with "over the wing" jetbridge for thier big aircraft?
 
mlsrar
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RE: Dual Jetbbridges

Tue Jan 17, 2006 6:50 am

Quoting TwoLz2Rn (Reply 3):
is AMS the only airport with "over the wing" jetbridge for thier big aircraft?

I believe those stands were engineered to accomodate the many combis that KL has operated over the years.
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dalb777
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RE: Dual Jetbbridges

Tue Jan 17, 2006 7:00 am

What about the dual bridges at DEN for TED that connect to the back door. I know that it is not for big aircraft, but I'm assuming those go over the wing.
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Sabena332
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RE: Dual Jetbbridges

Tue Jan 17, 2006 7:01 am

Quoting Lfutia (Reply 2):
Think of cost

I agree. I can imagine that jetbridges are very expensive, look at airports like FRA, I am sure that they already had replaced their butt-ugly jetbridges with something nicer.


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Mir
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RE: Dual Jetbbridges

Tue Jan 17, 2006 7:12 am

Quoting TwoLz2Rn (Reply 3):
is AMS the only airport with "over the wing" jetbridge for thier big aircraft?

The IAB at JFK used to have them. Now T4 only has one jetbridge per gate, which I find somewhat curious.

Quoting Sabena332 (Reply 6):
look at airports like FRA, I am sure that they already had replaced their butt-ugly jetbridges with something nicer.

The ones at EWR are worse.

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BA
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RE: Dual Jetbbridges

Tue Jan 17, 2006 7:15 am

I've heard jetbridges are pretty expensive, especially the dual jetbridges.

In my experience, many major European airports either have only a few dual jetbridges or even none at all.

I think one of the reason is space. Dual jetbridges need a large area which in many congested airports is probably not practical.

For some reason also, in some airports like BEY, they often only use of the two jetbridges. I assume because airlines may not want to pay the fees for the use of both and just pay for the use of one of them.

They do save on loading and unloading time though.

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Carpethead
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RE: Dual Jetbbridges

Tue Jan 17, 2006 12:30 pm

Dual boarding bridge really doesn't take up any more space than with only one if its a gate where a widebody can park. It's all about costs borne by the airport.
For example, a large majority of gates in Asia have two and perhaps three in the future because there are more widebody flights as a percentage.
Tokyo Narita doesn't have a single single boarding bridge gate!
This may be true for Singapore Changi too.

Of course, there's not as much need for dual boarding bridges in Europe or US but int'l terminals typically have some at major airports.
 
BCAL707
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RE: Dual Jetbbridges

Tue Jan 17, 2006 12:46 pm

It's interesting that at some smaller airports where tarmac boarding is still done (San Jose, California SJC), depending on the airline or ground handling agent, you will see the front and rear doors of a 737 (or similarly size aircraft) both open and in operation for boarding and de-planing, with the mobile stairs. Very quick way to get out of a 737! It's great. Therefore, obviously, saves a lot of time to board and un-board an aircraft.

However, some dual jetbridges meet up at one point, and everyone still bottle-necks in the same passageway. That's not much of a help.
 
twolz2rn
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RE: Dual Jetbbridges

Tue Jan 17, 2006 12:50 pm

Quote:
I believe those stands were engineered to accomodate the many combis that KL has operated over the years.



Why would they spend the money to build them if the combis hold less passengers? were they built for the MD-11's too?
 
CRGsFuture
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RE: Dual Jetbbridges

Tue Jan 17, 2006 12:55 pm

I think duel-jetbridges are useless. Most meet up at the same point in some airports, and others might lessen some congestion but the price for using both of them is expensive and worthless to some airlines.

It's really only useful if your a hub airline at that particular airport like KL at AMS.
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beertrucker
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RE: Dual Jetbbridges

Tue Jan 17, 2006 12:59 pm

WN at ALB uses duel jetways. One of the front door and one for the back door. On all 737's. They have them at both their Gates. Helps with unloading and they have it open on most of the loading. I don't know of any other airports that WN uses this at.

If you look close in the background of this photo you can see a jetbridge high in the air. That is so that the 737-700 you see in pic can get under it. it then will go to the back door. when a 737-300 comes in it stays lower cause of no winglet.


that about all i can think of right now.

[Edited 2006-01-17 05:01:55]

[Edited 2006-01-17 05:03:01]

[Edited 2006-01-17 05:04:33]

[Edited 2006-01-17 05:05:36]
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BenThePlaneHen
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RE: Dual Jetbbridges

Tue Jan 17, 2006 1:19 pm

I believe Vancouver has the prettiest jetbridges in the US terminal. They are clear and you can see right through them.
I also think it's neat that airports are getting 2 story jetbridges to accommodate the A380.

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A2
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RE: Dual Jetbbridges

Tue Jan 17, 2006 2:10 pm

I believe dual jet bridge are useful on widebody aircrafts. Especially for unloading of passengers. The passengers on the right side of the plane can use to front door to exit, while passengers on left side of the plane typically use the second door to exit.

If I am not wrong, Changi airport is now upgrading some gates with triple jet bridge. One for upper level and two for lower level.

-A2
 
beertrucker
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RE: Dual Jetbbridges

Tue Jan 17, 2006 3:21 pm

If you look at the pic I put again. To add to what I said before. The one in the air is for the plane in the pic. But if you look close above the plane. You see a blue slanted just before the tail. That is the height they keep it for a 737-300. And if you don't think it is a gate look close you can see the C3 sign which in ALB is on top of the jetway right at the end of it where it meets the plane.

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lamedianaranja
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RE: Dual Jetbbridges

Tue Jan 17, 2006 4:24 pm

In AMS only the F-gates are equipped with dual bridges, and as far as KL goes they can be used only on the B747 and MD-11, not on T7 or B767.
When there's a storm (and that's often  ) they cannot be used, when the cargodoor of the B744-combi is still open it can not be taken off. So it is useful when boarding some flights but not at all times.

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[Edited 2006-01-17 08:36:59]
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gunsontheroof
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RE: Dual Jetbbridges

Tue Jan 17, 2006 4:25 pm

Quoting BenThePlaneHen (Reply 14):
I believe Vancouver has the prettiest jetbridges in the US terminal.

Vancouver is in the U.S. now?!? Sweet...
 
markabcan
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RE: Dual Jetbbridges

Tue Jan 17, 2006 4:27 pm

I know in Calgary (YYC) Westjet has one dual air bridge. Kind of cool to see the aircraft maneuver in!
 
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RE: Dual Jetbbridges

Tue Jan 17, 2006 4:32 pm

Quoting Gunsontheroof (Reply 18):
Quoting BenThePlaneHen (Reply 14):
I believe Vancouver has the prettiest jetbridges in the US terminal.

Vancouver is in the U.S. now?!? Sweet...

I think he means the Transborder terminal
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TS-IOR
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RE: Dual Jetbbridges

Wed Jan 18, 2006 12:45 am

Could we say that CDG,especially T2 has dual bridges. Both fingers could be used for a single plane or two distinguished ones.


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IAHFLYR
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RE: Dual Jetbbridges

Wed Jan 18, 2006 12:54 am

CO is using duals at IAH at some widebody gates but primarily I think it's used for first class passengers and the second door for coach passengers, at least that was how we boarded and deplaned last time I was on a widebody at those particular gates where duals were used.
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wnsocal
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RE: Dual Jetbbridges

Wed Jan 18, 2006 1:42 am

wn has stopped using them in ALB last year.
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RE: Dual Jetbbridges

Wed Jan 18, 2006 2:09 am

Quoting Sabena332 (Reply 6):
I am sure that they already had replaced their butt-ugly jetbridges with something nicer.

Yes, they have done a few, but not a lot.


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And the one's on T2 aren't bad.


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RE: Dual Jetbbridges

Wed Jan 18, 2006 2:48 am

Quoting Dalb777 (Reply 5):
What about the dual bridges at DEN for TED that connect to the back door. I know that it is not for big aircraft, but I'm assuming those go over the wing.

Yes, thy go over the wing - this was confirmed in the other thread News On DIA (by IceTitan447 Jan 15 2006 in Civil Aviation)

They will be used by Ted on its A320s enabling to plane/deplane through the front and the aft door, thus speeding up turnaround.
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grrtvc
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RE: Dual Jetbbridges

Wed Jan 18, 2006 3:22 am

DTW has dual jet bridges at the WorldGateway on the 12 international swing-gates. They are used, the last I knew, only on the 747's to split First/Business Class emplaning/deplaning from Coach Class emplaning/deplaning. I heard that they aren't using them on the A330's because of the proximity of the sensors to the L1 door.

At least for NW, the over-wing bridge is/was not an option because of the concern from potential a/c damage. This may have changed since I worked there but it was what was told at the time.

Depending on how TED does with the over-wing bridge you may start to see more airlines going to it. But considering the financial times I can't imagine the airlines will be quick to buy a bunch of bridges.

GRRTVC
 
jog
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RE: Dual Jetbbridges

Wed Jan 18, 2006 3:28 am

Probably boarding time is also not that big issue on longhaul flights on wide-bodies. From my observation loading/unloading of cargo takes normally much more time than boarding/deboarding of passengers... Simply start a bit earlier with boarding than on the smaller planes. And when deboarding the biggest mess is the customs anyway... Also First/Business class passengers are usually getting priority.
 
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RE: Dual Jetbbridges

Wed Jan 18, 2006 4:59 am

Quoting Beertrucker (Reply 13):
WN at ALB uses duel jetways. One of the front door and one for the back door. On all 737's. They have them at both their Gates. Helps with unloading and they have it open on most of the loading. I don't know of any other airports that WN uses this at.

They also had one gate at DAL that they used for rear door loading for the 737s. It was started as an experimental project back in 2003 to determine whether the time saved (if any) was really beneficial to the operations for the airline and justified the expense. I don't remember which gate at DAL was the dual one but if you walk out on the WN concourse, when you turn right, it is on the right hand side down a gate or two. It was broken quite freqently from what I heard. ALB was the other main airport to use it, and I don't remember if one other airport had one gate like that.

Speaking of JFK, it wasn't over the wing, but it used to be common practice at the old TWA terminal to have the planes (707s) park with their side to the boarding gates and have one jetway to the front and one to the back. However, it didn't go over the wing like others being discussed here do. I have also seen pictures of a TWA 747 having jetways on both sides (L and R) of the aircraft at JFK.
 
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RE: Dual Jetbbridges

Wed Jan 18, 2006 5:01 am

Quoting Wnsocal (Reply 23):
wn has stopped using them in ALB last year.

Really? I haven't flown WN since 2004...dual jetways were in use then. I drive by the airport everyday on my way to work and It looks like they are still being used.

I remember before the dual jetbridges were installed, WN had very poor on-time performance out of ALB.

BR
 
beertrucker
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RE: Dual Jetbbridges

Wed Jan 18, 2006 5:27 am

Quoting Wnsocal (Reply 23):
wn has stopped using them in ALB last year.

I used them in July 05 when I flew in there. SO last I knew they still there.
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dalb777
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RE: Dual Jetbbridges

Wed Jan 18, 2006 7:46 am

Quoting Lamedianaranja (Reply 17):
In AMS only the F-gates are equipped with dual bridges, and as far as KL goes they can be used only on the B747 and MD-11, not on T7 or B767.

Why will those dual bridges at AMS not work on a 777? Does it have something to do with the placement of the doors, or the size of the wing, or some other reason?
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Carpethead
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RE: Dual Jetbbridges

Wed Jan 18, 2006 8:38 am

The new Terminal 2 at HND can use three boarding bridges as one of the bridges from the adjacent gate can swing around and allow pax to disembark from one of doors on the starboard side.
I have yet to see this myself, as they use this process at late at night.

Quoting CRGsFuture (Reply 12):
I think duel-jetbridges are useless.

Try telling that to most Asian operators. No way NH or JL will turn around a 777 or 744D in less than one hour with one boarding bridge.
You are right that most US airports don't really need it because most flights are narrowbodies.
 
airbusA346
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RE: Dual Jetbbridges

Wed Jan 18, 2006 5:14 pm

Why are the jetbridges at CDG, in such a mess.

Why did they make one jetbridge connect to the building in one place and the other one, connect to the building in another completely different place.

See picture below, and look at the US Airways A333

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BMED
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RE: Dual Jetbbridges

Thu Jan 19, 2006 3:33 am

Quoting AirbusA346 (Reply 33):
Why did they make one jetbridge connect to the building in one place and the other one, connect to the building in another completely different place.

Its proberley so that there is less congestion inside the jet bridge than if they were connected together. Will therefore mean that passengers can disambark faster.
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airbusA346
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RE: Dual Jetbbridges

Thu Jan 19, 2006 3:46 am

Quoting AirbusA346 (Reply 33):
look at the US Airways A333

I just realized the jetbridges connected to the Thai 744 next to the US Airways A333 look even worse.

Tom.
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BlatantEcho
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RE: Dual Jetbbridges

Thu Jan 19, 2006 4:55 am

still in use by Southwest at ALB as of last month.

didn't use the rear one, even though I should have. Seems better for offloading than onloading.

People board at the back door and seem to file forward anyway. Offloading it's great.
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flyinghippo
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RE: Dual Jetbbridges

Thu Jan 19, 2006 5:31 am

Quoting CRGsFuture (Reply 12):
I think duel-jetbridges are useless. Most meet up at the same point in some airports, and others might lessen some congestion but the price for using both of them is expensive and worthless to some airlines.

You should see most of the major Asian airports using the dual bridges, they are absolutly needed since the smallest aircraft they'd see is a A332 or 762.

Also, the dual jetbridges are wide enough where when they meet, it won't cause any congestion.
 
m404
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RE: Dual Jetbbridges

Thu Jan 19, 2006 5:57 am

From Jan 18 A2A Email of ATW --

Headlines
United to double-board at Denver
Wednesday January 18, 2006
United Airlines' Ted low-cost subsidiary said it will become the first carrier to use the DoubleDocker Bridge boarding system, an over-wing bridge that allows passengers to enter or exit an aircraft from front and/or rear doors.

An earlier version of the bridge was used in Canada. Ted initially will install the system at Denver Airport's Concourse B and expects to have five bridges in place by the end of the year. Dewbridge Airport Systems of New York designed the bridge mainly for use on narrowbody aircraft. Ted operates A320s.


Don't understand the "first airline" hype. Dewbridge says these are perfect for A320 LCCs in quick turnarounds. Thought I'd seen other stories of same companies system for a European LCC just recently.
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