<table><tr><th>From:</th><th>Larry Visoski</th></tr><tr><td>Sent:</td><td>Thursday, December 31, 2015 2:57 AM</td></tr><tr><td>To:</td><td>jeffrey E.</td></tr><tr><td>Subject:</td><td>Re:</td></tr></table>

## Jeffrey

You make a good point in regards to future repairs, Your B727 has always presented one off repair issues= since we are converting analog to digital info for the EFIS flight display=, currently installed. The past 15 years hasn't posed many repair issues, w= would typically would have to send our converter box for repair, since off=the shelf boxes dont exist.

We ca=ry a spare MFD EFIS tube on board the plane now, box replacement is easy,&n=sp; I would imagine we would get good s=pport from Rockwell Collins, but off the shelf replacement boxes would dela= repairs, since special software was written for a 3 engine aircraft applic=tion.

However display tubes may be gene=ic, however I'm not sure where the software installation comes into play.&n=sp;

I'll ask Neil at Banyan his opinion on this issue.

jeevacation@gmail.com, and

destroy this communication and al= copies thereof, including all attachments. copyright -all rights reserv=d