Until came the STC’d versions of the Dynon D10A and Garmin G5, primary EFIS upgrades were a stretch for lower budgets. But those days are gone forever thanks to a logical certification process that’s shifted from old-school TSO to performance-based STCs.
As we predicted last year for budget autopilots (we covered them in the April 2018 Aviation Consumer), we now see growing competition in the EFIS market.