FlightRisk Hidden Dangers Brochure. The hidden dangers of hazard scoring systems. Hazard scoring systems are a very popular method of risk assessment; they are widely used in a variety of industries, especially aviation. A hazard scoring system assign numerical values to various hazards. These values are then added together in order to determine the overall "risk" of the flight. The higher the score, the higher the risk. Operators often create numerical thresholds that trigger additional levels of scrutiny and help facilitate Go/No-Go decisions for the flight.