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Investigation of avionic events with use of information from on-board recorders of flight parameters

Jemielniak M., Kowalski M.

Journal of KONES

2014

Vol. 21, No. 1

107--118

The paper discloses opportunities of how information recorded by on-board recorders of flight parameters can be used for investigation of avionic events. An example of the methodical approach is presented of how to verify data acquired from flight recorders, which unambiguously indicates the feasibility of further investigation and analyses of avionic events that may happen to aircrafts. Subsequently the effect of the engine stall is outlined, which enables analysis of those avionic events when the effect of engine(s) stall took place. The paper discloses two cases of avionic events when engine stall was the underlying reason of problems, i.e. when a helicopter entered a stream of exhaust gases produced by a missile launched by that helicopter and when icing of the intake channel occurred in a turbojet engine installed on a helicopter. Investigations of that type are indispensable due to operation constraints and technical conditions of aircrafts operations, where meeting these conditions is the principal requirements in terms of flight safety. This study confirms that opportunities to use data from on-board recorders of flight parameters to find out what was going on with the aircrafts during avionic events are considerable.