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.