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Date: Thu, 05 Jul 2007 15:46:12 -0400
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From: "Bruce Gray" <Bruce@glasair.org>
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Subject: RE: [LML] Re: ADAHRS TSO
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Don't forget the third ADI tie breaker gyro!

Bruce
www.glasair.org
 

-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of
Lancair
Sent: Thursday, July 05, 2007 9:45 AM
To: lml@lancaironline.net
Subject: [LML] Re: ADAHRS TSO


I will certainly check into this.  But the problem brought up a
limitation to my panel - lack of ADHRS redundancy.  I started shopping
and found that a second Pinpoint might cost $17k whilst a
new-and-improved Crossbow 425 is about $3k.  I'm now considering the
current Pinpoint running screens 1 an 3 and the Crossbow feeding screen
2. (after we have traced down the current problem naturally).  
 
Thoughts?
 
Robert M. Simon
ES-P N301ES

________________________________

From: Brent Regan [mailto:brent@regandesigns.com] 
Sent: Tuesday, July 03, 2007 3:18 PM
To: lml@lancaironline.net
Subject: Re: ADAHRS TSO


Robert writes:

<<Last week I flew  from Redmond to Sturgis MI for a paint job and when
on final approach <snip>The displays reverted to the "blue screen of
death" and I landed actually looking out the window.  The screens stayed
blue for the next short hop, but after that they came up and ran fine to
the completion of the 
 flight. After the paint is complete and I am back in the air I'll be
interested to see if this fall out repeats. >>

Robert,  you have a problem and you need to identify the source.  . . .
My strong recommendation is that Robert take steps to find and eliminate
the source of the failure. The "wait and see" approach is unacceptable.
If a fault happened then it happened for a reason and that reason, at a
minimum, must be identified. Contact the avionics installer and  relate
ALL information surrounding the fault. He should download and forward
the log files to CFS for analysis. 



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