Aero L-39C L-39 flight manual technical POH, 290 pages. ~ This manual contains the necessary information for safe and efficient operation of the aircraft L-39. These instructions provide you with a general knowledge of the aircraft and its characteristics and specific normal and emergency operating procedures. Your experience is recognized, therefore, basic flight principles are avoided. Instructions in this manual are prepared to be understandable by the least experienced crew member that can be expected to operate the aircraft. This manual provides the best possible operating instructions under most circumstances. Multiple emergencies, adverse weather, terrain etc. may require modification of the procedures. However it is not a substitute for sound judgment.