SetH
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Registered: 15th Jul 01
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Was it pitot tubes that froze up?
I think Air France had a programme in flight to replace these with tubes from a different manufacturer. Although due to cost they were being rolled out slowly. Not like they were going to ground all their planes and replace them.
I think all their Airbus pilots have since had additional training in high altitude stall recovery etc.
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Adster
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Registered: 8th Jul 10
Location: Leyland, Lancs
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yeh it was the pitot tubes that froze up but iirc they are heated and think can be controlled by the pilots in such cases of freezing
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Dom
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Registered: 13th Sep 03
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Very interesting programme but as mentioned, it could have gone into a lot more detail as it seemed to skim over a fair amount.
What i didn't understand is why they complained about the limited range of the RC gear; they could have switched to external antennas and/or 'boosters' which could have given them KMs+ range 
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SetH
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Registered: 15th Jul 01
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quote:
Originally posted by Chris C
quote:
Originally posted by SetH
I am not an avionics expert but remember that the pilot in the right seat had the stick permanently in a back position. The pilot in the left seat could not see this and was making control inputs of his own. They only realised shortly before the crash.
They said in the documentary this would not happen in a boeing plane because you can see the stick/yoke inputs as they are mirrored?
What channel was this on ?? I'll keep an eye out for it.
sorry I can't remember what channel it was on 
There is a massive wiki page on it that goes into some detail.
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Ben G
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Registered: 12th Jan 07
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Channel 4. It will be on 4 on demand.
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jrsteeve
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Registered: 3rd Apr 02
Location: Manchester
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It could've been quite a bit better but didn't really give any new information about the design other than to use better cable ties!
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Robin
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Registered: 7th Jan 04
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Which you'd assume they already do as the 727 was first flown commercially nearly 50 years ago 
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noshua
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Registered: 19th Nov 08
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quote:
Originally posted by Dom
Very interesting programme but as mentioned, it could have gone into a lot more detail as it seemed to skim over a fair amount.
What i didn't understand is why they complained about the limited range of the RC gear; they could have switched to external antennas and/or 'boosters' which could have given them KMs+ range
I thought the same as well, strange.
I also watched that Air France flight documentary, think it was showed on a Nat Geo channel, interesting stuff and it was the pilots fault essentially for not realising, think either the pilot or co pilot hadn't done enough hours in flight or something as well.
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Adster
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Registered: 8th Jul 10
Location: Leyland, Lancs
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only thing i find annoying is that a 727 has 3 engines which are all rear mounted.
The only passenger aircraft still flying about with 3 engines are DC10's (not many about) and MD11's.
These have engines under the wings which makes you think what happens when the engines dig into the ground?
only things to dig into the ground on a 727 is its landing gears then its straight onto its belly.
Although saying all this, a LOT Boeing 767 made a gear up landing in poland last year but this was made on a solid runway.
http://www.youtube.com/watch?v=UC8ySY_GlUk
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VegasPhil
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Registered: 16th Jan 05
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I knew it would be decent. I love channel 4 docs.
Corsa 2.0 16v Vegas - Sold
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AlunJ
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Registered: 3rd Apr 07
Location: Newport
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4seven tonight at 9pm
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SportBoy
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Registered: 5th Oct 01
Location: Retford, Nottinghamshire
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i also thought it was odd using a 727 with the engines being where they are.
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Dave
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Registered: 26th Feb 01
Location: Lancs
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There are plenty of planes with rear mounted engines in service though. DC-9/MD-80, ERJ, CRJ etc.
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Ian
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Registered: 28th Aug 99
Location: Liverpool
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quote:
Originally posted by SetH
I wonder how aware the passengers were?
Probably very aware, the rate of descent was huge and the turbulance of the wings being perpendicular to the drop would have been quite severe as well. The guy in the program said he was asked the same question and had to be honest. Unless you were asleep and it didn't wake you up, you'd have definitely known something was wrong.
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Ian
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Registered: 28th Aug 99
Location: Liverpool
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quote:
Originally posted by SportBoy
i also thought it was odd using a 727 with the engines being where they are.
Cost probably had something to do with it. Price of something newer might have been too far.
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Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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$300,000 for a working jumbo is a bargain IMO.
[Edited on 13-10-2012 by Robin]
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Adster
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Registered: 8th Jul 10
Location: Leyland, Lancs
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quote:
Originally posted by Dave
There are plenty of planes with rear mounted engines in service though. DC-9/MD-80, ERJ, CRJ etc.
I knew that 
And DC-9's are pretty much gone from europe iirc. Still a few MD's about but SAS are phasing their fleet out in favour for newer airbus's and boeings.
[Edited on 13-10-2012 by Adster]
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Siberia
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still a good few in the states..
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Adster
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Registered: 8th Jul 10
Location: Leyland, Lancs
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Well european aviation laws have become alot stricter. Alot of airlines are actually banned from entering EU airspace and alot of old russian aircraft are banned such the old tupolevs
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Nick-S
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Registered: 3rd Mar 04
Location: Leigh. Drives: RS Megane 230 F1 Team R26
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Because of noise regulations?
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Adster
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Registered: 8th Jul 10
Location: Leyland, Lancs
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noise and safety :/ would love to see an old tupolev. Balken holidays used to send there TU154's into manchester quite often before i started going spotting. Now they send in boring A320's
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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quote:
Originally posted by Adster
only thing i find annoying is that a 727 has 3 engines which are all rear mounted.
The only passenger aircraft still flying about with 3 engines are DC10's (not many about) and MD11's.
These have engines under the wings which makes you think what happens when the engines dig into the ground?
only things to dig into the ground on a 727 is its landing gears then its straight onto its belly.
Although saying all this, a LOT Boeing 767 made a gear up landing in poland last year but this was made on a solid runway.
http://www.youtube.com/watch?v=UC8ySY_GlUk
When an aircraft crashes (which has low-slung wing mounted engines), they typically shear off without much comparitive force. It isn't really an issue.
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