Thunder Chicken
Resident Lua Script Rabble-Rouser
How did they not catch that during preflight? Ensuring free and correct flight controls is a must-do on most checklists.
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How did they not catch that during preflight? Ensuring free and correct flight controls is a must-do on most checklists.
Marijn
Active member
I think it's fairly common to check free movement only. Correct movement of the control surfaces is usually part of the daily inspection.
This video shows the walkaround. They even use a ladder to inspect the winglets (inspection wing at 10 minutes). But the ailerons are only looked at. https://bombardieratp.cae.com/videos/global-preflight-inspection
This video at 1m12s shows how the pilots do not visually confirm the correct movement, but ensure fee movement only:
In this vid at 0m42s, it looks like the pilot looks at the reflection in the windscreen to inspect the wing, but I am not sure. At least they film it.
I think this your answer. Correct movement is apparently a task of the maintainance checkout procedure. I coudn't find the flight manual. The final answer should be in there.
Edit: timestamps
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Linguofreak
Well-known member
I know that free and correct is a checklist item for single engine props, where you can see the control surfaces easily from the cockpit, but checking correctness will be more difficult on an aircraft that has a wing further back and little to no rear visibility from the cockpit.
MaverickSawyer
Acolyte of the Probe
As an actual business jet mechanic (albeit very newly hired and working on a different family of aircraft), that should have been caught before they ever returned that aircraft to the flight crews. A check of proper rigging should ALWAYS follow work on the control linkages to a flight control surface.
C3PO
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The local heli operator used to bring the technicians on the initial check-out flight, if they'd worked on the engine/drive train/controls.
IDK if that procedure survived the merger with the national airline.
Urwumpe
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Great fun. Our general contractor wants to make our next contract depend on who is responsible for the execution. Of course without writing any objective skill requirements into the specification (which was a joke of a requirements specification anyway).
I wonder if he knows that he is entering a world of pain....
I wonder if he knows that he is entering a world of pain....
jedidia
shoemaker without legs
Oh man, I totally found myself in the latest XKCD :lol:
Urwumpe
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Luckily, I learned the trick from my great C++ sensei to prevent it...
"Divide by cucumber error. Please reinstall universe and reboot."
When ever I want to write my self-doubts and bad mood into a defensive log message for filling some never executed catch block, I remember this wisdom.
When ever you see this in my software, you are really screwed if you have thrown away your universe installation media after 13.9 billion years of operation.
Linguofreak
Well-known member
The feat of subtle propaganda JFK pulled off with his "We chose to go to the moon" speech never ceases to amaze me:
"But why, some say, the Moon? Why choose this as our goal? And they may well ask, why climb the highest mountain? Why, 35 years ago, fly the Atlantic? Why does Rice play Texas?"
Applause.
"We choose to go to the Moon!"
Applause gets louder.
"We choose to go to the Moon..."
Audience realizes that JFK has moved on from pandering to the local sports team, applause dies down enough that JFK is able to continue.
"We choose to go to the Moon in this decade and do the other things..."
Meanwhile, the TV audience outside of Texas thinks everyone was really enthusiastic about choosing to go to the moon.
Kennedy, Kennedy, Kennedy, remind me never to play poker with you...
"But why, some say, the Moon? Why choose this as our goal? And they may well ask, why climb the highest mountain? Why, 35 years ago, fly the Atlantic? Why does Rice play Texas?"
Applause.
"We choose to go to the Moon!"
Applause gets louder.
"We choose to go to the Moon..."
Audience realizes that JFK has moved on from pandering to the local sports team, applause dies down enough that JFK is able to continue.
"We choose to go to the Moon in this decade and do the other things..."
Meanwhile, the TV audience outside of Texas thinks everyone was really enthusiastic about choosing to go to the moon.
Kennedy, Kennedy, Kennedy, remind me never to play poker with you...
Urwumpe
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Some good reading here, the German zoological society has published the declaration of Jena on its 112th birthday, argumenting strongly against the use of the term "race" in any scientific context.
https://www.uni-jena.de/unijenamedi...sse/Jenaer+Erklärung/Jenaer_Erklaerung_EN.pdf
It starts with the not so famous history of how Germans had been responsible in creating the idea of humans being divided into arbitrary defined races. Which anybody interest in the scientific method might want to read because it is also a good example of how bad science is getting turned into the standard by lack of critical thinking.
https://www.uni-jena.de/unijenamedi...sse/Jenaer+Erklärung/Jenaer_Erklaerung_EN.pdf
It starts with the not so famous history of how Germans had been responsible in creating the idea of humans being divided into arbitrary defined races. Which anybody interest in the scientific method might want to read because it is also a good example of how bad science is getting turned into the standard by lack of critical thinking.
GLS
Well-known member
This was the best part of that speech: ...return it safely to earth, re-entering the atmosphere at speeds of over 25,000 miles per hour, causing heat about half that of the temperature of the sun--almost as hot as it is here today...
:rofl:
Linguofreak
Well-known member
Note the context of that statement:
"But if I were to say, my fellow citizens, that we shall send to the moon, 240 thousand miles away from the control station in Houston, a giant rocket...
...and then return it safely to earth, re-entering the atmosphere at speeds of over 25 thousand miles per hour, causing heat about half that of the temperature of the sun—almost as hot as it is here today—and do all this, and do it right, and do it first before this decade is out—then we must be bold."
There is scattered laughter, then growing applause, all throughout the bolded part.
"But if I were to say, my fellow citizens, that we shall send to the moon, 240 thousand miles away from the control station in Houston, a giant rocket...
...and then return it safely to earth, re-entering the atmosphere at speeds of over 25 thousand miles per hour, causing heat about half that of the temperature of the sun—almost as hot as it is here today—and do all this, and do it right, and do it first before this decade is out—then we must be bold."
There is scattered laughter, then growing applause, all throughout the bolded part.
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Notebook
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Fabri91
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A couple of pics I took a week ago in Kabelvag, Norway:
This was just one of the weaker intensity Aurorae, but still!
This was just one of the weaker intensity Aurorae, but still!
Notebook
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Well, fancy that:
https://www.bbc.co.uk/news/uk-england-49433347
Rutland, nearly home to The Rutles:
https://www.bbc.co.uk/news/uk-england-49433347
Rutland, nearly home to The Rutles:
Linguofreak
Well-known member
How to wash your hands:
1) Say "Hallo Hans!"
2) Say "Hans, du stinkst, nimm bitte ein Bad".
3) Hans will take a bath. You have washed your Hans.
1) Say "Hallo Hans!"
2) Say "Hans, du stinkst, nimm bitte ein Bad".
3) Hans will take a bath. You have washed your Hans.
jedidia
shoemaker without legs
*groan* :lol:
Marijn
Active member
Today exactly 75 years ago, the first of 41,000 Allied paratroopers of the 101st Airborne Division under Field Marshal Montgomery were dropped into the Netherlands as part of the ill-fated Operation Market Garden.
The goal of the operation was to circumvent the Siegfried Line and invade Germany. The operation famously ground to a halt at the city of Arnhem but did lead to the liberation of southern parts of the Netherlands.
'Market' was the air assault to conquer 9 bridges including the famous 'A Bridge Too Far'. 'Garden' the associated ground offensive from Belgium into the Netherlands.
Edward R. Murrow reported the landings at Nijmegen from inside a Dakota:
The goal of the operation was to circumvent the Siegfried Line and invade Germany. The operation famously ground to a halt at the city of Arnhem but did lead to the liberation of southern parts of the Netherlands.
'Market' was the air assault to conquer 9 bridges including the famous 'A Bridge Too Far'. 'Garden' the associated ground offensive from Belgium into the Netherlands.
Edward R. Murrow reported the landings at Nijmegen from inside a Dakota:
