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757 inflight instrument problem

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Old 11th May 2009, 12:25
  #21 (permalink)  
 
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Beetlemania

I am brand new to PPRuNe tonight, a real oldie, and I just read your tale of the pitot and beetle.

In a DC3 full of pax (I said I was an oldie), descending IFR in cloud through 6000ft at night, all - and I mean all - flight instruments on both sides suddenly went ape or just froze, iced up, with me at the pole. Pitot heat didn't hack it.

I can understand your feelings: it is a most horrifying experience. We broke out at 1000 feet in a total sweat, still with no flight instruments. On the ground the engineer reported a beetle jammed in the mouth of the pitot and the drain holes blocked!

For those who scoff at such tales, you want to hope you never get the chance to have it happen to you. You'll wonder how your uniform trousers suddenly changed color.
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Old 21st May 2009, 23:43
  #22 (permalink)  
 
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My mistake, in terms of ASI we are stuck with Pitot-Static for now, but GPS can give you an altitude readout free of errors.
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Old 22nd May 2009, 02:07
  #23 (permalink)  
 
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...but GPS can give you an altitude readout free of errors.
Yes, but....haven't you heard, GPS is 'supposed' to go tango uniform any day now.
Shock, horror...whatever will we do?

You'll wonder how your uniform trousers suddenly changed color.
Mine never changed color, just got soaked from the leaking windshield.
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Old 22nd May 2009, 07:50
  #24 (permalink)  

Beacon Outbound
 
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GPS can give you an altitude readout free of errors.
Unfortunately, altitude is the least accurate part of your GPS readout.
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Old 27th May 2009, 15:40
  #25 (permalink)  
 
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Out here Halt exceeding 2 hrs & the Pins & pitot covers are installed.
regds
MEL.
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