C O N T E N T S
Aviation
Isgandarov I.A., Babayev H.B., Babayeva N.H. Modern problems and autonomous diagnostic issues of the aircraft radioaltimeter system  … 7
Mechanics and Mechanical Engineering
Janahmadov A.Kh., Volchenko A.I., Nasirova M.M., Malyk V.Y., Volchenko N.A., Polyakov P.A., Tagiev R.S. Thermokinetic processes in the water spraying of friction pairs of disc-shoe brakes of vehicles ……. 15
Sadigov I.R. Stability of plates of non-rectangular shape, taking into account physical and geometric nonlinearity..27
Javadov M.Y., Zhuravlev D.Y., Nasirova M.M., Skipnyk V.S., Witwitskiy V.S., Fedotov V.S. Stress-strain state of self-activated disc-shoe brakes with studs …32
Oil and Gas
Babayev H.М., Korablev I.V.
Determination of the coefficient of hydraulic resistance of turbulence movement of the Newtonion fluids in vessels pipe sistems …43

C O N T E N T S
Aviation
Pashayev A.M., Janahmadov A.Kh., Aliyev A.A.
Simulation of drop-rain impact by tribophatic loading ……………………………………………… 7
Hazarкhanov А.Т., Karimli T.I., Neymatov V.A., Huseynov V.S.
Research of statics errors of piezoelectric converters of mechanical motion parameters … 16
Mechanics and Mechanical Engineering
Javadov M.Y., Zhuravlev D.Y., Nasirova M.M., Popovich V.Y., Bekish I.O., Wudvud A.N.
Thermal balance of self-activated disc-shoe brakes with spikes ………………………………… 26
Ibragimov N.I., Mamedaliev R.M., Bayramov Kh.B.
Technological parameters of the laser coating of the gate valve with the metalic powder . 38

C O N T E N T S 

Aviation
Pashayev A.M., Janahmadov A.Kh., Aliev A.A.
Evaluation of impact of super high speed microparticle on aircraft outer surface in the upper layers of troposphere ……………………………………………………………………………………………………………. 9
Abdullayev Kh.I., Hasanov R.A., Huseyn-zade B.E.
S-band telecommunication system for small satellite ………………………………………………………………………….. 15
Mechanics and Mechanical Engineering
Janahmadov A.Kh., Volchenko D.A., Javadov M.Y., Volchenko N.A., Fedotov E.S., Vitvitsky V.S.
Energy-loading of self-ventilated disc of vehicle with braking spikes …………………………………………………… 23
Gulaliyev I.D., Veliyeva S.M., Sadirzadeh I.A.
Detergent dispersant additives for motor oils ……………………………………………………………………………………….. 31