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I have logged one previous post on this subject. That was to explain a very critical upset I suffered in a military jet I use for business travel on Nov 11 2011. The first high altitude test flight resulted for an uncommanded roll by the EFIS-D10A in IMC conditions. The event ocurred passing...

Tested same aircraft again but in VMC conditions. All normal till passing 15000 ft when steep turn to the left was commanded by EFIS and AP followed. Was in Nav mode with no course turns ahead. Disengaged AP reset target altitude re-engaged and no further issues. st

I am testing a new D10/AP74 installation in a Fouga Jet. Generally I am pleased with it but yesterday had a very serious problem. I was climbing through 15,000 feet when the EFIS started showing an left bank and the autopilot followed. The turn rate increased well past rate one and I couldn't...

I have not yet flown with my DYNON EFIS/AP setup but am trying to understand everything first. I have been through the manual but am not sure how to best setup the climb and descent profiles. The aircraft is a Jet warbird and typical climb speed is about 220kts and cruise is around 300 kts...