The advent of daycare, child seats and airbags have combined in a significant number of hyperthermia fatalities where children have been left inside cars parked at work. The article includes discussion of the factors that result in an otherwise conscientious parent forgetting that their child is still in the back.
washingtonpost.com
The article makes for uncomfortable reading, but does a service in reminding us that an otherwise conscientious parent or pilot can make a fatal mistake.