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Date: Mon, 12 Dec 2011 07:52:20 -0500
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From: "Gary Fitzgerald" <gbfitz@swbell.net>
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Subject: [LML] Re: IFR and TSO's (again)
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Tom,

>>> My Dynon Skyview passes the certification, is IFR legal and is not =
TSOd to anything.

That sums up what I needed to know in a nutshell.  Thanks.

I re-read Brent's post from a few months ago while reading several =
references I received from another builder off-list (thanks Jim!) and =
things made more sense.

Gary


-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of =
Tom Thibault

They don't have to have any pointers.  An altimeter has to pass the =
biennial check conducted by a tester licensed to conduct the test in =
order to use it in IFR.  Pretty sure that a mechanical instrument with =
less than three pointers can't pass because you can't read it down to =
the tens of feet.  Electronic presentation of the altitude is fine.

My Dynon Skyview passes the certification, is IFR legal and is not TSOd =
to anything.  Pretty sure that Brent has covered this thoroughly before.

Most equipment needs to meet a performance requirement.  A few, like =
GPS, must actually be TSO'd to be used for IFR navigation.  Especially =
for GPS, the allowed IFR operations are defined in one or more of the =
GPS TSOs.


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