1. Aviation Safety (1971) Surgut aeroflot antonov.
http://aviation-safety.net/database/record.php?id=19710122-0
. Accessed 30 Sept 2016
2. Aviation Safety (1974) Turkish airlines flight 301.
http://aviation-safety.net/database/record.php?id=19740126-0
. Accessed 30 Sept 2016
3. National Transportation Safety Board (1982) Aircraft accident report: Air Florida flight 90. Washington
4. Aviation Safety (1985) Arrow air flight 1285.
http://aviation-safety.net/database/record.php?id=19851212-0
. Accessed 30 Sept 2016
5. Moshansky VP (1992) Commission of inquiry into the air Ontario crash at Dryden, Ontario (Canada).
http://epe.lac-bac.gc.ca/100/200/301/pco-bcp/commissions-ef/moshansky1992-eng/moshansky1992-eng.htm
. Accessed 30 Sept 2016