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exraf
6th May 2006, 17:37
link to old report - New Technology does away with the ATC ??. BAE Full scale trial by 2008.

http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2003/08/24/nair24.xml&sSheet=/news/2003/08/24/ixhome.html

BDiONU
6th May 2006, 18:07
Gave me a laugh that they had all this speil about how great a fully computerised ATC system would be. Then in the body there was a link 'operational gridlock' to a story about the chaos caused when there was a computer failure :D
From my experience of ATC systems we will never reach the stage where a computer would be capable of taking on this human tasks. Tools it can do and it does provide but a computer is a computer and I cannot ever envisage a stage where a computer programme will be sufficiently well programmed and free from glitches and errors to the extent it could take this task on alone.

BD

PPRuNe Radar
6th May 2006, 18:36
Plus it's from British Waste of Space ..... so it will be 15-20 years late and about 10 times over budget :ok:

There are echoes here of the FAST programme (Final Approach Spacing Tool). The human knocked the socks off the computer every time simply because humans can think laterally and are constantly assessing options. Humans are flexible and can easilly change tactics. Computers are hide bound by rules and algorithms. Crap in = crap out :)

Kirk Biddlecombe
6th May 2006, 19:41
I must admit, this was something I researched into prior to submitting my application.
The conclusion I found was as has been mentioned above. A few years ago I remember my A-Level Computing teacher telling us computers would never be able to completely take over systems of this nature.
I also agree with it. :)

Kirk

CAP493
6th May 2006, 20:42
Even if a computerised ATM system can be devised that will automatically provide safe separation and uplink instructions directly into the FMC, both flight deck and the ATCO will still need to act as interventionists when a glitch arises.

Problem is...neither will have the requisite 'hands-on' skills any longer.

Furthermore, just who is going to decide which aircraft is # 1 at for example, Heathrow when BAW and BMI both arrive at Biggin at the same time; or at Stansted or Luton when RYR and EZY both arrive at Lorel at the same time; or for departure at Edinburgh when EZY, BAW and BMI (or at Madrid when IBE, EZY and BAW) all start and so are ready for departure (and have the same CTOTs) at the same time???

Any suggestion that the airlines will cooperate or reach a mutual agreement is just fantasy.

Trouble with all these so-called automated systems is that they're designed by engineers working for companies who pay 'em to come up techno solutions; but these so-called solutions can't deal with the wild card componant called "human beings"...

:hmm:

ATCO1962
7th May 2006, 05:41
Hi Radar,

Maybe some of our Dallas colleagues can comment further but I don't think that FAST and PFAST were as bad as you may indicate.

I read an article by an ATC journal that described how DFW implemented this system of on-screen "suggestions" and how, initially at least, there was great reluctance to use the info as human interpretation of data and subsequent action were considered superior to any computer analysis. The article went on to say that by the end of the trial period or when the article went to print, controllers were using the "suggestions" 96% of the time.

And BD, you need more faith:ok: in computers. When Japan introduced the bullet train many moons ago, the bulk of the work was done by computers. The train driver was just sitting pretty watching the nice lights flash at him.

For myself, I think our generation may not accept a computer-driven system but I would be very surprised if, after 30-40 years, the entire ATM machine weren't run by these gadgets. If you want an ATC career like we enjoy now, don't get your hopes up.:(

BDiONU
7th May 2006, 06:16
And BD, you need more faith:ok: in computers. When Japan introduced the bullet train many moons ago, the bulk of the work was done by computers. The train driver was just sitting pretty watching the nice lights flash at him.
For myself, I think our generation may not accept a computer-driven system but I would be very surprised if, after 30-40 years, the entire ATM machine weren't run by these gadgets.
My job is in ATC systems, specifically NERC system. The complexity proposed by a fully automated system is mind boggling. The glitches and errors which will appear in the millions upon millions of lines of code does not bear thinking about.
However even before any coding happens the requirements would have to be written and they would take many many man years, assuming there was a 'group' who had the executive authority to make decisions and they could reach concensus quickly.
Computer systems can and will provide tools but they will not be in the driving seat.

Bullet train analogy is not the best one, trains don't travel in 3D and they run on fixed rails ;)

BD

CAP493
7th May 2006, 08:03
Maybe some of our Dallas colleagues can comment further but I don't think that FAST and PFAST were as bad as you may indicate.ATCO1962 - here you're talking about advanced computer-support systems for the human controller, not a fully automated ATM system that operates without intervention from the flight deck or Ops room. To that extent, I agree entirely with what you say.

As to the notion that the system will in 30 to 40 years be run entirely by computer-based automation (BDiONU), this is precisely the rationale that one Duncan Sandys as the then Minister of Defence propounded around 40 years ago, for the scrapping of all military interceptor aircraft in favour of guided missiles; and if total automation is such a brilliant idea, why do both the US and Russian space programmes still require human control staff on the ground and human crew on the flight decks???

These systems are only as good as the software programers and if a human - whether singly or in a team - is involved with that task, somewhere, somehow, sometime, there will inevitably be minor sofware faults incorporated some of which will be entirely latent, until one day, under very specific circumstances...

;)

ATCO1962
7th May 2006, 12:24
Hi BD and CAP,

You're absolutely right in indicating that these tools are currently just that....tools to be used by very real humans to assist in the task of assimilating information that will sort out some complicated airborne problems.

However, when I think of the massive strides that have been made in UAV technologies, space technologies and the huge changes we've seen in the last 3 decades in computers, it tends to make me think that we will ultimately have some kind of "thinking" software that will enable those millions and millions of code lines to be prepared by an "aware" machine on the fly, so to speak. Software that will, ultimately, be able to repair flaws in its own logic as it develops. You can laugh, but there's only one way that technology is heading and its not backwards.

We introduced an automated ATC system some 10 years ago where I work and even 1 and a half million lines in a relatively simple environment was too much to bear at times. But that's thinking in yesteryear's understanding.:}

Admittedly, my bullet train analogy falls down but I just wanted to show that the Japanese were prepared a long time ago for computer controlled machinery that had the ability to kill you if it went wrong.

I went to a university a few years ago in Bangkok and was taken down to the area in the library where they store all the finished PhD and masters theses. There were thousands of these on all manner of specialised topics, very few of which had been acted upon. Multiply that by the thousands of seats of learning around the world. Then imagine when someone/thing can tie these pools of info together and totally new fields of knowledge come to the fore. I have no trouble visualising an ATM future almost entirely devoid of human interference. I'm very happy to be proved wrong but just by saying "It'll never happen" is just the challenge that some young buck/doe needs to change the world. Never say never, you dinosaurs!!

BDiONU
7th May 2006, 12:42
However, when I think of the massive strides that have been made in UAV technologies, space technologies and the huge changes we've seen in the last 3 decades in computers, it tends to make me think that we will ultimately have some kind of "thinking" software that will enable those millions and millions of code lines to be prepared by an "aware" machine on the fly, so to speak. Software that will, ultimately, be able to repair flaws in its own logic as it develops. You can laugh, but there's only one way that technology is heading and its not backwards.
I'm very happy to be proved wrong but just by saying "It'll never happen" is just the challenge that some young buck/doe needs to change the world. Never say never, you dinosaurs!!
A 'thinking' ATC computer system? You need to think about how conservative people involved in ATC are from the safety perspective. Artificial Intelligence is still a long way off, we're still pretty much in the fuzzy logic stage. So you'd need to have a very advanced AI system which was totally 100% proven to be reliable and error resistant. One which had been running a safety critical system for many years. One which had sufficient back up's to cope with ANY minor system failure. One which had some back up in the event that the whole system crashed.
I know of no complex computer system currently on the market which gives the reliability which would be required in an ATC system, which would (I think I have the numbers right) be somewhere around 10 to the minus 7.

In addition there is a vast amount of effort required in writing a specification.

We're developing some additional tools to add onto our ATC system. It has taken years to get to where we are now and its only an addition to an existing system.

"It'll never happen" says this dinosaur (who has been involved in ATC for over 30 years, who works in ATC systems and who's halfway toward a degree in computing & IT), just look at Mode 'S'!!

BD

Nimmer
7th May 2006, 13:20
All this talk of fully automated ATC systems!!! Lets talk about fully automated planes, the technology is there now, it is possible. Only the general public won't fly without two people at the front monitoring computer systems, however when things go wrong etc, the human takes over.

Same thing applies with fully automated ATC.

ATCO1962
7th May 2006, 14:28
Fortunately for me, I had a grandfather who used to work on Dehavilland aircraft way back when and he preserved a large number of some very old (@1918) Flight International magazines. One vivid memory I retain of some very pleasant reading was a quote from one of the leading aerospace experts of the time who said something like, "The idea being advanced that we will have flying machines that can carry several hundred people at one time at speeds in excess of 250mph is absurd. The laws of aerodynamics simply preclude this possibility."

I'm sure what this esteemed gentleman meant to say was that current understanding of the laws of aerodynamics precluded the thought of these novel ideas but he failed to remember that current thinking never equals future reality. Advances are being made every day that will mean, in a 100 years, our world will look, in a technological sense, nothing like what we see today.

The technology is on the way. Our current experts and generation will never allow full ATC guidance to be conducted solely by computers. But our kids and their kids??? They don't share our innate sense of distrust in computers. Increasingly, they are learning to trust greater levels of service and reliability from a huge variety of computers that we don't even think about, ranging from in-car computers to kitchenware.

I'm truly glad that I've enjoyed the hands-on ATC career that I have had but I don't think that the task will look anything like it does now in another 30-40 years.:(

ebenezer
7th May 2006, 16:00
They don't share our innate sense of distrust in computersThey will do the day after a midair takes place because a line was in error or there was a glitch or corruption in the uplinked or downlinked data.

:mad:

BDiONU
7th May 2006, 16:09
The technology is on the way. Our current experts and generation will never allow full ATC guidance to be conducted solely by computers. But our kids and their kids??? They don't share our innate sense of distrust in computers.(
Its not an innate sense of distrust in computers which I 'suffer' from. Its the involvement I have when the systems don't perform as it says on the tin due to a programming error, or a lack of a correctly specified behaviour, or a bit of hardware going wrong or simply the data connection failing.
In other words, computers are not sufficiently developed nor mature enough to be trusted, yet.

BD

Jerricho
7th May 2006, 17:25
To echo what has been posted here and in previous threads regarding the issue, IMHO full automation will not be feasable when you factor in unknowns such as weather (both enroute and terminal), blocked runways and mechanical problems both on the ground and in the air. A CB parks itself over an airfield for an extended period is just the start. CAT is another one.

Sure computers can learn and mimic behavious, but (and this is a BIG but) if you read through accident reports from year dot, how many situations have been saved by pure instinct and a little bit of luck?

airac
7th May 2006, 18:07
Mr BDionu
Its not an innate sense of distrust in computers which I 'suffer' from. Its the involvement I have when the systems don't perform as it says on the tin due to a hardware going wrong, or a lack of a correctly specified behaviour, or a bit of hardware going wrong or simply the data connection failing.
In other words, computers are not sufficiently developed nor mature enough to be trusted, yet.


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(marlett:8 )

Hold West
7th May 2006, 18:54
They will do the day after a midair takes place because a line was in error or there was a glitch or corruption in the uplinked or downlinked data.

:mad:

Brings new meaning to the "Blue Screen of Death".

Scott Voigt
8th May 2006, 05:52
Howdy;

PFast died here in the US... The trials at DFW showed that it had bugs and without a LOT of money thrown at it to just make it as good as the controllers. Now that said, the other portions of CTAS do work very nicely and are used daily. However, the FAA found that CTAS like any other bit of automation isn't one size fits all. The found that it had to be tailored for each site to make it work correctly. It was like writing new software for each facility with only the core engine being the same.

As to what was written in the Journal of ATC, you have to remember that most of that stuff is written by the contractors who are trying to sell the stuff, by the contractors who are trying to advise the different agencies what they need, and then by folks who are working for the agencies and who want to retire and go work for the contractors <G>... They seldom publish the stuff that we have come up with that talks about some of the bunk that they have put out <G>..

As to computers eventually doing our job. Sure it will happen some day. I am convinced that someone is going to develop a computer and software to go with it that will mimic the human thinking function and do it well. I have faith in man to make that achievement. I however know that today we aren't there, and I will NOT see it in my carear. I also know that we will see in the not so distant future frieght carriers go to UAV's and passenger carriers go to one pilot operations. People say never, but think again, it wasn't all that long ago that we flew with four man crews then down to three and now two. Automation took over those other two positions. If you have a computer flying the plane, then you only need one person to monitor everything. It is going to happen and passengers will be ready for it in due course.

regards

Scott

Flaps ten please
8th May 2006, 08:11
Don't worry - we will have run out of aviation fuel and invented teleportation before that happens!

atcSA
8th May 2006, 13:10
The technology for computers has grown drastically over the couple of decades but speaking from personal experiences (ATC and computer programming), computers cannot "think" or compute the amount they need to, to actually be a 100% safe. Anyone can notice this!! Have you ever installed or downloaded a program that never needed an update or patch? Computers could possibly do this but the fact that a machine which does NOT think and runs by rules and limitations is going to have the responsibility of thousands of lives a day including mine and yours, makes me rather whip out my bicycle. :(

Heaven help us if they're going to run Microsoft!?! :hmm:

G

Shitsu_Tonka
8th May 2006, 14:13
The amount of corrupt coding in our current systems presents a risk greater than the rate of human error. This is with a comparitively simple system. The exponential leap in technology and reliability required leaves me willing to place large bets on this..... anyone?

ATCO1962
8th May 2006, 15:10
Gentlemen, gentlemen.

You really are betraying your generation. You guys in the pointy end increasingly put your lives into the hands of these accursed machines and ATCOs continually benefit from new computer tools, yet you can't bring yourselves to think that there may be quantam leaps in computer knowledge in the future. Admittedly, I don't think a human-free ATM system is in sight (I,too, have had enough glitches to last a life time) but the technology is inexorably moving forward.

This discussion is about where we are moving, not about thinking that holds true for the current.

I think we should move on to a discourse on what we're going to do with all our free time:)

Jerricho
8th May 2006, 15:55
I'm waiting for the day I can log into work from home..............of course the 100 inch Plasma TV I'm going to require to do the job will be on the company's dime.

anotherthing
8th May 2006, 19:38
Hmmm

at work today in the London TMA. Aircraft turning off the SIDS early due to weather; Aircraft unable to undertake proper holding, due weather; several runway changes with one A/C stating that if they had to hold for more than 5 minutes they would either divert or call a PAN.

Too many A/C arriving at once, therefore tactically suspending inbound standing agreements (a common occurrence)

I think the ATCOs job is safe for a very long time, automation may assist, but it will be tens of years before it takes over, if ever IMHO.

However, as Jerricho says - working from home; possibly utilising one of these £499 S band thingys you can buy nowadays sounds like a good idea - but only when all aircraft are Mose S fitted!!!

SM4 Pirate
8th May 2006, 23:04
So assuming there will be no or limtied 'retrofitting' of mode-S gear into airframes, and that we regularly see 30+ old airframes floating about the sky; it's at least 30 years away?

Phew, wen't into panic mode until I thought about it... Automation is awesome when things are on the rails; however when sh!ts are trumps it just doesn't work.

I hope it does, cause quite frankly the current 'technology' that must be manipulated to keep up when sh!ts are trumps is a significant detriment to the system.

In Oz, we do more 'system manipulation' in bad weather than talking to aircraft; quite distracting really, core business needs to be better considered in such conditions. Planners would help us; but we don't use then when the system is "on the rails", so no one knows how to use them when sh!ts are trumps, so it's generally a hinderance not an assistance.

DC10RealMan
9th May 2006, 07:23
Yes, but think how much money could be saved if NATS could get rid of atcos. The fact that it may not be safe or expeditious is neither here nor there!.

R Slicker
9th May 2006, 09:23
Having worked in ATC for more than 40 years - and currently working on automation in ATC - I can say that there has not been an automated system yet invented that comes anywhere near an ATCO. No computer can "invent" a non-standard 500ft separation to avoid the crisis when all conventional methods fail.
We may eventually go to one pilot at some stage but you will never get rid of the controller so long as demand for flights is at current or increased levels. On a daily basis, controllers perform miracles in some of the most crowded airspace - and they always will.
ATCO1962 get real! Was 1962 the year you joined or left ATC? You will have noticed that the Torygraph article mentions ATCO intervention several times, so getting rid of them is not on the cards. Was it published on April 1st?

ATCO1962
9th May 2006, 12:39
Hi Slicker,

Yep, I'm real and I've been a pit-face controller since 1981. Read my posts again and I trust you'll see I'm firmly in the camp that says, "Not in our lifetime".

However, TCAS uses computer sensing to let pilots know how to avoid each other; it's only a small step to allow the autopilot to intervene without human input. Take those technologies a bit (OK, a lot) further and apply a few thousand researchers/university students to the task of mining the thinking that goes into a good terminal controller's decision making and then get that same lot to factor in all sorts of variables (WX, emergencies, equipment outages,etc), and you can almost see the future in neon lights.

Sorry, guys, sooner or later, we're only going to have systems engineers or whatever they'll call them then. Don't expect too many live bodies up the front either!

In the meantime, I'll enjoy moving you through my airspace the conventional way, UFN.:ok:

anotherthing
9th May 2006, 13:00
ATCO1962

TCAS has helped cause and or make incidents worse than they could have been as well as help out in short term resolution :uhoh:

We have computers that are capable of taking instructions and flying A/C, yet any passenger operation in this manner is many many years away.


Any computerised system that makes the decisions is even further away, thnalfully.

There will an increase in computer aids, but not a total take over.

What is worrying is that future ATCOs will not have the training and therefore the skills to go back to real controlling when the computer programmes designed to assist (medium range alerts/ planning etc) fail.

atcSA
9th May 2006, 14:53
I'm 19 years old and have applied to become an ATCO in South Africa. I am playing all the sims I can find to learn how to control properly. I've gotten quite profficient at it and am quite excited to start this as a career. The fact is that we now have all the instrumentation to "help" us control but the fact is that we still get trained to control properly. there can always be a power outage (Especially in Cape Town), loss of radar or some catastrophe which the computer OBVIOUSLY cannot "help" with and good ol' ATC-ing comes into play. What's gonna happen if we have ATM, and such occurences occur? Anti-virus programs say they are virus-proof, they we still update them. There's ALWAYS a loophole, and in ATC, you cannot afford one!

G

anotherthing
9th May 2006, 16:22
atcSA

When I said 'real controlling' or as you said it 'control properly' it was not meant as a slight on future ATCOs. As things such as Mode S become commonplace, basic skills may be forgotten or even not taught in depth.

Using Mode S as one small example; the Vertical Stack List is a great tool, but in ten years time, when it is taken for granted, how effectively will a newly trained ATCO be able to manage a stack using flight progress strips if the need arises?

Not a dig by any means but I am sure my colleagues at Swanwick, the En Route controllers, will admit that they are not as proficient at holding as they could be.... this is not their fault, it is something they seldom practice, and is not a primary task for them - far from it, but the experiences they have when it comes to stack management are going to become more relevant to TMA controllers as technology takes over.

Take away that technology for whatever reason, and the ATCO who was not trained as thoroughly in stack management as ones who have gone before will struggle.

It's not a case of being trained properly - as we become more dependant on technology the basic training will change to reflect it -(why have the technology otherwise), the worry is that we become too dependant on that technology and forget basic skills - quite a relevant worry when ATC companies are out to make money (or cut down costs)... the training syllabus is bound to be changed to keep costs to a reasonable amount.

Good luck with your training BTW

VH-GRUMPY
11th May 2006, 09:32
As a pilot (oh no) I always thought that Talking Traffic Lights (ATC) should have been called 'Air Traffic Facilitation Officers'.

The Air Traffic CONTROL bit has always worried me.

Lets workshop this - I am prepared to change my views - get the butchers paper out and form some syndicates. I am chairing the Douglas Bader Syndicates for Legless Pilots.

Report back next week.

:p

anotherthing
11th May 2006, 13:10
VH-GRUMPY

Just you continue to worry about controlling your one aircraft between the two pilots it seems to take, us 'Air Traffic Facilitation Officers' will worry about all the others ones we as individuals, have to look after at once, as well as yours :} :} !!!

atcSA
12th May 2006, 06:37
AnotherThing...

Thanx for clearing that up. Unfortunately what you say is true. If only ALL controllers kept on honing their skills in simulators (on both old and new systems :ok: ) to keep these long lost methods of controlling at hand, in situations that might arrise.

Oh well, I will try every aspect when I start.

Thanx for the wishes.

G

Lon More
12th May 2006, 09:52
VH-Grumpy's profile

Licence Type (eg CPL. Pilots only):
PPL in 79
Current a/c Type (eg B737. Pilots only):
Stopped flying when no longer tax deductible

Really qualified to make comments on this then :=

flybymike
12th May 2006, 11:31
Reading an article in this month's "Flying" magazine about Pilots who are nervous about using ATC controlled airports I noted the following , and I quote;

"Pilots who are really apprehensive and landing at an airport with a control tower for fear of being seen doing something wrong can take some hope from NASA's small airport transportation system (SATS). Fully implemented, the system could employ an Airport management module (AMM) described as a "computer chip on a stick" at smaller airports to act as an automated tower to prioritise and sequence aircraft based on their ADS-B position altitude and speed"

There we are then...the writing is on the wall

anotherthing
12th May 2006, 13:29
Not trying to defend an ATCOs position here just for the hell of it, but such a system as you mention above, Mike, cannot take into consideration reduction in speeds on finals; changes in speed when an aircraft suddenly turns into wind to land and slows down; how a pilot handles his A/C with regards to speed, and a whole host of other variables!

The system in the 'Flyer' magazine sounds very much like it is using a mathematical model to determine landing sequence... what happens if a pilot is flying a jet on or around min clean to see the handling characterisitcs, then decides to throttle up again?

Unfortunately, pure logic, which is what the above system must be using, cannot take into account enough variables at this point in time... the ability to think and reason is not there yet for computers.

Like many of the inventions we used to see on Tommorrows World, the one above, in my opinion, will either quietly go away, or take tens of years to develop properly.

Scott Voigt
12th May 2006, 14:50
Anotherthing:

Actually, it can....

regards

Scott

flybymike
13th May 2006, 15:08
Anotherthing, Scott is right. ADS-B is cleverer than you might think! Further information given here.
http://faa.gov/news/fact_sheets/news_story.cfm?newsKey=4172

Jerricho
13th May 2006, 17:19
One thinks my mate Grumpy is using some interesting bait..............


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