The POH is a document developed by the airplane manufacturer and contains the FAA-approved Airplane Flight Manual (AFM) information. (Oral Exam Question) Cessna 172 R model POH., mandatory for the owners of the Airplane to have it during the flights. This POH is in accordance with Cessna 172 R Model Airplane.Pilot Operating Handbook for aviators and student pilots.It s absolutely essential for Student pilots in accordance with VFR Navigation, W&B , system descriptions and Preparation for oral- written and practical exam.