Human error incident

https://jerseyeveningpost.com/news/2017/10/14/plane-crash-landed-after-pilot-forgot-to-drop-landing-gear/

The importance of safety culture

https://transportationtodaynews.com/news/6684-amtraks-lagging-safety-management-blame-fatal-derailment-ntsb-finds/

What does not happen for a long time does not mean that it will not happen!

http://www.cbc.ca/news/canada/saskatoon/grain-elevator-fire-dust-explosion-1.4419544