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Question: The descending Do Fa Mi cabin chime on AC's 333

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Question: The descending Do Fa Mi cabin chime on AC's 333

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Old Oct 3, 2015, 7:47 pm
  #16  
 
Join Date: Jul 2013
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Originally Posted by ACYYZ/SD
It's the SD call indicator. Mystery solved.
and what is the SD call indicator on a boeing?
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Old Oct 3, 2015, 9:13 pm
  #17  
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Originally Posted by ACYYZ/SD
It's the SD call indicator. Mystery solved.
Cool, thanks.

I hear this quite often on the 333s TATL but it's mid-flight and I'm half asleep so I don't have the umph to peek to see what's going on.
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Old Oct 4, 2015, 4:54 am
  #18  
 
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Originally Posted by yyznomad
descending Do Fa Mi chime...

(in other words, a descending Perfect 4th followed by a semitone)
I never did any theory, but... isn't a descending Do Fa a perfect 5th? Do Sol would be a descending 4th.
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Old Oct 4, 2015, 4:59 am
  #19  
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Originally Posted by cperciva
I never did any theory, but... isn't a descending Do Fa a perfect 5th? Do Sol would be a descending 4th.
You are absolutely correct! My mistake. Surprised nobody pointed that out earlier! Will no correct my post.
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