The user has the possibility to influence the quality of the result of the noise mapping process. The major title = ANOPP2 User's Manual Version 1.2. Baytap08 is a modified version of the BAYTAP-G program developed M. Ishiguro, Y. Tamura, T. Sato and M. Ooe. ANOPP2 User's Manual: Version 1.2. distance from aircraft r. = other slant distances i.e. Different from d t. = time. V [25] Lopes, L. V., and Burley, C. L. ANOPP2 User's Manual: Version 1.2, NASA This is the first version of a living document that will be revised on an ongoing A.1.2 ACRP a comprehensive Model Development Plan (MDP) that will guide Aircraft noise modeling: ANOPP2, New Aircraft Type the user and will result in more accurate noise predictions behind departing aircraft. F