Aircraft Performance

 The performance or operational information section of the Aircraft Flight Manual/Pilot’s Operating Handbook (AFM/POH) contains the operating data for the aircraft; that’s, the info concerning takeoff, climb, range, endurance, descent, and landing. The need of this data in floating operations is mandatory for safe and efficient operation. Considerable knowledge and familiarity of the aircraft can be gained by studying this material. It must be emphasized that the manufacturers’ information and data furnished in the AFM/POH is not standardized. Some provide the data in tabular form, while others use graphs. In addition, the performance data could also be presented on the idea of ordinary atmospheric conditions, pressure altitude, or density altitude. The performance information within the AFM/POH has little or no value unless the user recognizes those variations and makes the required adjustments. To be ready to make practical use of the aircraft’s capabilities and limitations, it's essential to know the importance of the operational data. The pilot must be informed of the idea for the execution data, also because the meanings of the varied terms utilized in expressing performance capabilities and limitations. Since the characteristics of the atmosphere have a serious effect on performance, it's necessary to review two dominant factors—pressure and temperature.