PPRuNe Forums - View Single Post - Noisy propliner over Midlands just now
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Old 22nd Jun 2017, 21:21
  #13 (permalink)  
eckhard
 
Join Date: May 2005
Location: France
Age: 69
Posts: 1,143
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It was probably audible for some 10 minutes, maybe more.
Reminds me of the T-34 turboprops on the C-133s that used to cruise over SE England in the late '60s. A lovely bass growl that deepened to a drone as the aircraft disappeared from view.
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