1. [1] ICAO, Common taxonomy team, (4.6). Aviation Occurrence Categories, Definitions and Usage Notes. (2013).
2. [2] European Aviation Safety Agency. Annual Safety Review 2014. EASA Safety Intelligence & Performance Department, Cologne, Germany (2015).
3. [3] ATA. Specification 100 – Specification for Manufacturers’ Technical Data. Publications Department, Air transport Association (ATA) of America, Inc. Washington, DC 20004-1707 USA,
4. [4] ICAO, Safety Management Manual (SMM). Doc 9859, AN/474, 3rd edition. (2012).10.13111/2066-8201.2011.3.1.17
5. [5] Civil Aviation Authority, Safety Management Manual., 2nd edition, (2009) (in Polish).