1. Civil Aviation Authority (1998) Global fatal accident review 1980–1996. CAP 681
2. International Air Transport Association (2018) Safety Report
3. Civil Aviation Authority (2008) Global Fatal Accident Review 1997–2006. CAP 776
4. Civil Aviation Authority (2013) Global Fatal Accident Review 2002 to 2011. CAP 1036
5. Flight Safety Foundation (2002) Data show that U.S. wake-turbulence accidents are most frequent at low altitude and during approach and landing. Flight Safety Digest (special double issue) Vol. 21, No. 3–4