Conklin & de Decker released its 2011/2012 Aircraft Performance Comparator, a software program that allows those acquiring a business jet, turboprop, piston airplane or helicopter to compare aircraft performance data. New features in the updated edition include a Web page for subscribers with max range at long-range cruise data for the more than 300 business aircraft in the comparator and the addition of six new aircraft: the Hawker 800XPR, Twin Otter 400, Quest Kodiak, Texas Turbine 900 Supervan, Eurocopter AS332L1 and Diamond DA42 L360 (Lycoming engine).