1. B. Etkin, Dynamics of Flight-Stability and Control, N-Y, USA: John Wiley&Son, Inc, 1956
2. K. Clayton Knight, Plane Crash@The mistery of Major Air Disasters and How They Were Solve, New York: Greenberg Publisher, 1858.
3. FAA, „Airspacecard,” 2014
4. FAA, „Introduction to TCAS II Version 7.1,” 2011.
5. Midair Collision Over Hudson River, Piper PA-32R-300, N71MC, and Eurocopter AS350BA, N401LH, 2009