SQLover
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Automatic Aircraft Marshalling @ Changi?

Tue Jun 21, 2011 4:51 pm

Hello All,

During my trip to SIN last week I noticed that there were no ground marshallers directing my arriving aircraft to its final parking position at the gate. Instead I noticed an LED board on the wall of gate which displayed the aircraft type (77W in my case) with interactive coloured arrows lighting up and directing the pilot to the parking position.

This is the first time I've seen this sort of setup and was curious if this is the norm in Changi right now or was this something else?
 
330guy
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RE: Automatic Aircraft Marshalling @ Changi?

Tue Jun 21, 2011 5:23 pm

I think its the norm in most major intl airports these days... in fact i'm suprised thier not at T2 in DUB considering the terminal is brand new.
Aircraft flown: a300/10/20/21/30/40, b727/37/47/57/67/, DC9, MD80-90, l1011, f50, atr42/72, shorts360, pc12
 
SQLover
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RE: Automatic Aircraft Marshalling @ Changi?

Tue Jun 21, 2011 5:50 pm

Definitely not the norm in US airports (atleast not in LAX or SFO) that I fly out of. That's a very nice feature!
 
LAXintl
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RE: Automatic Aircraft Marshalling @ Changi?

Tue Jun 21, 2011 5:54 pm

Quoting SQLover (Reply 2):
Definitely not the norm in US airports (atleast not in LAX or SFO) that I fly out of. That's a very nice feature!

Sure we have it here at LAX. Off the top of my head, T4, T5 and UA in T7/8 have such guidance systems at some gates.

TBIT also had it when it opened in 1984, but it was withdrawn from use around 1990 when the gate spacing had to be adjusted(reduced) to handle 744s.
From the desert to the sea, to all of Southern California
 
Pihero
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RE: Automatic Aircraft Marshalling @ Changi?

Tue Jun 21, 2011 9:33 pm

Visual docking guidance systems have been around for quite some time.
AGNIS was for a time the most popular, but now a series of devices using Fresnel lenses are the rage.
Unfortunately, there is no standard system so we have to adapt.
*This article on wiki gives a nice introduction to the subject.
Contrail designer
 
Part147
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RE: Automatic Aircraft Marshalling @ Changi?

Tue Jun 21, 2011 9:58 pm

See chapter 4 in this handy little document... http://www.caa.co.uk/docs/33/CAP637.PDF

And this one gives a good summary of what systems are available around the world at the moment...
http://www.safegate.com/data/safegat...ent/DGS_GOS_ReferenceList_rev3.pdf

... as you can see these systems have been around since the early 1980s - In fact I did an Aero-student presentation to the RAeS on aircraft ground support equipment that included this 'new technology' many years ago!
It's better to ask a stupid question during training, rather than make a REALLY stupid mistake later on!
 
Dalmd88
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RE: Automatic Aircraft Marshalling @ Changi?

Tue Jun 21, 2011 11:32 pm

When terminal A in BOS opened there was a automatic guidance system. I think it lasted less than a year before DL unhooked it and went back to the human.
 
YYZRWY23
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RE: Automatic Aircraft Marshalling @ Changi?

Wed Jun 22, 2011 12:43 am

I am certain that YYZ T1 has it, possibly T3 as well.

YYZRWY23
If you don't stand behind our troops, feel free to stand in front of them.
 
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Starlionblue
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RE: Automatic Aircraft Marshalling @ Changi?

Wed Jun 22, 2011 1:39 am

I think the fact that it is rare in the US compared to Western Europe is because of two things:
- Cheaper labor in the US.
- Perhaps more restrictive liability laws in the US requiring humans.

In East Asia there's another factor at work: It's just all about having the latest and greatest tech.  
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
Tristarsteve
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RE: Automatic Aircraft Marshalling @ Changi?

Wed Jun 22, 2011 8:42 am

Well you learn something every day.
I assumed it was standard everywhere.
Here at ARN we have no marshallers at all! Every single parking stand has some sort of electronic guidance. If there is a failure and marshalling is required, someone from airport operations comes out. Usually the Duty Officer, but last week we had a fireman waving the bats.
 
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Starlionblue
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RE: Automatic Aircraft Marshalling @ Changi?

Wed Jun 22, 2011 4:02 pm

As a Swede I find it classic that a Swede thinks something happening in Sweden is "standard everywhere". No offense Steve!  
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
ALTF4
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RE: Automatic Aircraft Marshalling @ Changi?

Fri Jun 24, 2011 3:46 pm

ATL has had them for a long time, at least on most (all?) Delta gates.
The above post is my opinion. Don't like it? Don't read it.
 
FlyASAGuy2005
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RE: Automatic Aircraft Marshalling @ Changi?

Fri Jun 24, 2011 4:49 pm

Quoting ALTF4 (Reply 11):
ATL has had them for a long time, at least on most (all?) Delta gates.

Sort of. When I say theat, I mean they're not as high tech as those being discussed that tell the pilot if they are off centerline etc. They are on their own there but it is exactly like a street signal light and is operated by a ramp agent on the ground standing next to the jetway. As the a/c pulls into the gate, there is a steady green; as the nose gets closer to the stop mark it goes yellow, then red when on the mark and at pilot hits the brakes. Every DL gate save for those on C and D have this system.
What gets measured gets done.
 
ALTF4
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RE: Automatic Aircraft Marshalling @ Changi?

Fri Jun 24, 2011 11:02 pm

Quoting FlyASAGuy2005 (Reply 12):

Cool, thanks for the info!
The above post is my opinion. Don't like it? Don't read it.
 
bohica
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RE: Automatic Aircraft Marshalling @ Changi?

Sat Jun 25, 2011 3:54 am

Western Airlines developed a parking system which did not require a marshaller back in the 1960's. By today's standards it was very primitive and very cheap, but it worked. It was a piece of PVC pipe which hung down from a higher bar on a couple of chains. The captain aimed the center of the windshield toward the center of the pipe and stopped when the windshield made contact with the pipe. You can see this in the following pictures.


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The device was also designed so you could swing it out of the way if necessary.
 
ha763
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RE: Automatic Aircraft Marshalling @ Changi?

Sat Jun 25, 2011 4:01 am

Quoting FlyASAGuy2005 (Reply 12):
Sort of. When I say theat, I mean they're not as high tech as those being discussed that tell the pilot if they are off centerline etc. They are on their own there but it is exactly like a street signal light and is operated by a ramp agent on the ground standing next to the jetway. As the a/c pulls into the gate, there is a steady green; as the nose gets closer to the stop mark it goes yellow, then red when on the mark and at pilot hits the brakes.

HNL has a similar system on Overseas Terminal gates, but ours has lights to guide the pilot onto the center line. Although, the only airline I see using it is HA.

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