Several letters to the editor are presented in response to the articles in previous issues including one on the comparison between the aircrafts Gippsland GA8TC from Gippsland Aeronautics P/L and Cessna 206 and Cessna 208 from Cessna Aircraft Co. in the March 2012 issue, another related to the comparison between the cost of two aircrafts in a flight school scenario in the April 2012 issue and one on the Droid weather applications in the April 2012 issue.