Purpose To provide the FA units with standard tabulated firing tables to facilitate faster computation of the firing data needed to deliver timely, accurate and effective fire support operations using the Howitzer 105/14 Model 56. Scope and Applicability This technical manual will begin with an introduction of the characteristics of the Howitzer, explanation of the entries in the table and will include sample problems for reference of the user. The body will cover the integrated interpolated basic and supplementary data to include the new Site constant.