VESTNIK of Samara University. Aerospace and Mechanical EngineeringVESTNIK of Samara University. Aerospace and Mechanical Engineering2542-04532541-7533Samara National Research University35710.18287/2541-7533-2006-0-2-1(10)-348-352UnknownEstimation of aviation engines D-30KP/KU/KU-154 technical condition by scintillation measuring11sadohina@ssau.ru11sadohina@ssau.ru11sadohina@ssau.ru11sadohina@ssau.ru11sadohina@ssau.ru1807200652-134835221052014Copyright © 2015, VESTNIK of the Samara State Aerospace University2015<p>We suggest using the scintillation spectral method for estimation of technical state of the aircraft engines through the measurement of the wear particles parameters.<br />We present concrete examples when the method allows the unit-to-unit diagnostics of engine. The necessity is demonstrated to account the information on the wear particles collected at the main oil filter for the adequate diagnostics of the oil system.</p>