Going Full Metal
Once the furor over Harmon’s abandonment of Al Mooney’s wood medium died down, sales of the new M20B Mark 21 took off. It was certified on Dec. 14, 1960, retaining the M20A’s manual flaps but using a two-tank wet-wing fuel system of 48 gallons; gross weight remained at 2,450 pounds. An improved M20C was certified […]