Yesterday I went on a cross country flight around northern Wisconsin. I did not 
make any stops but was really enjoying the scenery from 3,500 msl which is 
roughly 2,500 agl in this area. I had been flying for about two hours nonstop 
as I was getting close to being back in the vicinity of my home airport KSTE. 
The main purpose of my flight was to do some comparison of three flight apps I 
have downloaded on my iPad. The apps are iFly GPS, Foreflight and FlyQ EFB. All 
three have great features. The smoothest moving map display bar none is the 
Foreflight display. It is smooth and does not jump. iFly moving map jumps the 
most and FlyQ EFB is very minimal to almost smooth. I have been flying iFly GPS 
for a couple of years and it is a great app. As a matter of fact all three but 
the FlyQ EFB by Seattle Avionics far surpasses all in features. If you have not 
looked at FlyQ EFB I suggest you do. Ok, so let?s get back to the subject 
matter which is ?What the heck was that??  The flight was as smooth as a baby?s 
butt and I was able to trim and do a lot of hands off while I played with the 
apps. Did I mention I had a Bald Eagle pass right in front of me! Man was that 
cool. When it did I banked quickly in the direction it was flying and tried to 
find it but no luck. No that was not the ?What the heck was that?? I was about 
ten miles out and was getting ready to call in my approach to landing when all 
of a sudden ?BAM? my head hits the canopy and I hear this loud bang. The plane 
jumped around like I just flew through wake turbulence from a fighter jet. I 
looked all around and never saw another plane. My first thought was what the 
heck was that? To have been flying such a pristine smooth flight to have this 
happen on approach was unnerving to say the least. I quickly checked the flight 
control responses and all was normal. The engine never skipped a beat and I 
continued in to make a normal landing. But I kept thinking what was that loud 
bang. As I shut down all systems on the plane I reached for the XGPS160 which 
is my GPS device for my iPad Mini. It was no where to be found. That is when it 
occurred to me that when I hit that bump in the air that it went airborne and 
slammed down on the floor and went under the seat. At least I finally knew what 
the loud bang was and no the GPS unit was not damaged. Apparently I hit some 
sort  of severe up draft which threw me around. Lesson to be learned here is to 
tighten the seat belt and shoulder harness as much as possible. A full 
inspection of the plane today revealed no damage. Just thought you guys needed 
a good flight story.


Mark Jones (N886MJ)
Stevens Point, WI

E-mail: flykr2s at charter.net
Web: www.flykr2s.com

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