The only time you would “rely” on a backup ADI is if you were in IFR conditions and your primary failed.  In that case, I’d opt for the full sized version, unless I could find one larger!

John Hafen
IVP 413AJ 170 hours


On 8/27/09 8:41 AM, "Michael D. Smith" <mdpilot982@gmail.com> wrote:

Does anyone have experience with this gyro for backup purposes?  I am thinking of the 2 inch version.
 

 
Thanks
 
Michael Smith