28 Silly And Careless Mistakes That Have Cost People Their Lives

As a healthcare worker, giving the wrong amount of insulin.

Nigerian Airlines flight 2120 (operated by Nationair) departed Jeddah, Saudi Arabia, after a maintenance worker reinflated a tyre with air instead of Nitrogen. The tyre heated up, burst, and caught fire during the take off roll. The landing gear was retracted into the aircraft and burned the airfract from the inside out. The fire caused a mid air structural failure shortly before the pilots could return to Jeddah. My father's first wife was a flight attended on that flight. Her and 260 others died. It remains the most deadly aviation accident involving a Canadian airline.

There have been too many instances of rock climbers rappelling off of the ends of their ropes, which could have been easily avoided by tying stopper knots at the ends of their ropes.

Shaking a vending machine

I worked at a tire place for a summer and the first thing they told me was “See that torque wrench ? One mistake with this and you can [end] a whole family in a matter of seconds”. I thought well, better take this thing seriously

Not leaving where you are during a hurricane.

A friend’s husband locked himself out of their home. He tried to get in through a window that had security bars. While squeezing through his foot slipped and he essentially hung himself on the window sill.

I read an article a long time ago about a aircraft maintenance worker not removing a piece of tape that was put in place to protect a sensor during cleaning. The pilot failed to notice during the preflight inspection. 70 people died in the plane crash.