It's the bit Mark has been dreading since he started - the wiring and Instruments. To give him a better idea he meets Robin Walsh who explains the differences between instruments and avionics and Ashu Mehta who helps him install the instrument panel. The instrument theme is continued at Aeros Flying School where Mark gets to fly just inches from the ground - in a simulator! In our look at the achievements of other home builders it's the turn of Bob Harrison and his Europa.
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Ready to Watch A Plane Is Born, Season 1, Episode 12?