<div class="section abstract"> <div class="htmlview paragraph">This Aerospace Standard (AS) provides a method for the presentation of gas turbine engine steady-state and/or transient performance as calculated by means of digital computer programs. It also provides a method for the presentation of gas turbine parametric performance, weight and dimensions by means of digital computer programs.</div> <div class="htmlview paragraph">It is intended to facilitate calculations by the program user without unduly restricting the method of calculation used by the program supplier.</div></div>