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Postby captainherc » Fri Feb 10, 2012 11:09 pm

An article on Qantas pilots agian makes you think about the airline. Not just the planes that cannot cope with new technology.
""Pilots flying a regional Qantas aircraft carrying 97 passengers were warned the plane was in danger of dropping from the sky during two bungled landing attempts.
An incident report released yesterday said the captain and co-pilot wrestled with shaking joysticks as they tried to land the pitching Boeing 717-200 at an airport in Kalgoorlie, en route from Perth, in October 2010.
The Australian Transport Safety Bureau report found the drama resulted from the captain entering the wrong data on the plane's weight into the flight computers — an error unnoticed by the co-pilot.
The plane's landing weight was being calculated at 9.4 tonnes lighter than its actual weight.
This meant the plane approached the landing strip at the wrong speed and angle.
The botched calculations twice triggered the "stick shaker" which alerts pilots to an impending aerodynamic stall — when the plane is no longer stable and may fall mid-air.
The warning was triggered during the first attempted landing at an altitude of 335 metres and again during the second attempt at 106 metres.
On both occasions the pilots failed to identify the underlying error and assumed air turbulence was to blame.
Investigators said a lack of standard cross-checking routines allowed the data error to go unnoticed. They also said the captain, although "well rested", had struggled to manage his fatigue owing to numerous roster changes.
The plane was operated by Cobham Aviation Services but was flying under the banner of QantasLink"".
Adrian.
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Postby Ian Warren » Sat Feb 11, 2012 6:10 am

Interesting , almost the mix of not checking then both checking the same problem rather one assert himself to deal with the issue while the other keeps the plane in the pattern , nearly the same cockpit mis-manage , different cause that had a Dash 8 in the hills on approach to Palmerston airport back in the ninety,s .

They did many studies on cockpit crew team management , some areas they found PIC to say to the YOT , sit down and shutup ... go back to the Garuda 737 flight that crashed at the end of the runway in Indonesia both pilot and copilot argued the plane to it destruction because one person did not like the other .

End the day some people don't even want to be in the work they and expect the other to check .. and if the other has the same attitude , boy ! are you in trouble !
Last edited by Ian Warren on Sat Feb 11, 2012 6:11 am, edited 1 time in total.
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Postby Charl » Sat Feb 11, 2012 8:27 am

Junk in, junk out, my computer 101 tutor told me...
It's the biggest challenge isn't it? interfacing man and machine?
And now interspersing computer that is actually smarter between man and machine.

It's a really big ask to have a man watch over a computer, and then be expected to respond appropriately when something goes wrong.
The man is going to have to go...

Don't believe me? try hand-flying this one:

http://boeingblogs.com/randy/archives/2012...on_the_map.html
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Postby hcornea » Sat Feb 11, 2012 6:47 pm

Might be worth noting that the event happened in October 2010. (ie 15 months ago)

Also worth noting, Qantaslink plane operated by Cobham airlines, rather than Qantas main line. The relevance to QF pilots, planes etc therefore is a little tenuous. It is a different operation entirely. Different roster, type, etc

Qantaslink regional? Perhaps another matter, but it really is a collection of several smaller operators under a common paint-scheme. The operators vary, and the levels of experience and training in regional airlines is a "hot topic" currently.

Experience not such an issue here, apparently.

More informative reading here:
http://www.avherald.com/h?article=44a9b9fa&opt=0
Last edited by hcornea on Sat Feb 11, 2012 6:53 pm, edited 1 time in total.
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