Design, Analysis and Research Corporation (DARcorporation) is an aeronautical engineering firm that offers aeronautical engineering consulting services, software and books. The company offers services such as Conceptual and Preliminary Design for Advanced Aircraft Analysis (AAA), Detailed Aircraft Performance Analysis (APP), Aircraft Modification Analysis, Computer-Aided Design, and many others. The company aims to to solve critical problems through extensive engineering experience and computerized simulation tools ensuring customers needs are met.