Aviation facts
Food for thought:
Non-precision approaches: 5-8 * more risky than precision
Freight, ferry or positionning flights: 8 * more risky than passenger
Night flights: 3 * more risky than day
Flights in Africa: 5 * more risky than rest of the world
Also:
Captain flying in 74% of accidents
29% of CFIT accidents occur in flat terrain
Finally:
Frank Bird's triangle:
1 fatal accident
10 non-fatal accidents
30 cases of property damage
300-600 hazards/incidents