Introduction: CR fitness is important for performing daily activities and mobility. It has been reported that VO2 peak values below 20mL * kg−1* min−1 is associated with limited physical function for instrumental activities of daily living. Methodology: They were subjected to CPET (Cardio Pulmonary Exercise Test) after ruling out structural heart disease by echocardiogram. Their smoking habit and indication of performing the investigation was documented. Post exercise test, the data was recorded and tabulated. Result: These males were subjected to cardiopulmonary stress test, after an echocardiogram was done to rule out structural heart disease. The data obtained was classified into different age groups starting at less than 20 y, 20–39 y, 40–49y, 50y and beyond. Conclusion: This study conclude that, the baseline data will make way for routine CPET in assessment of reflighting of pilots with respiratory and cardiac disorders based on Maximum oxygen consumption , Stroke volume improvement, Lactate threshold reached at level of exercise (in METS), VE/CO2 slope and the usual exercise stress parameters based on ECG findings.