HAZARD CONTROLS AND SOURCES OF HAZARDS
The type of hazard control is determined by the type of hazard and the source of the hazard. According to ICAO SMS Document 9859, there are three methodologies for identifying hazards and they reactive, proactive and predictive. a) Reactive. This methodology involves analysis of past outcomes or events. Hazards are identified through investigation of safety occurrences. Incidents and accidents are clear indicators of system deficiencies and therefore can be used to determine the hazards that either contributed to the event or are latent (ICAO, 2013). If the hazard is from reactive methodology, the hazard control process is also reactive. An example if a hazard is identified after an air crash and the hazard control is an alteration to the aircraft, then this is reactive hazard control. b) Proactive. This methodology involves analysis of existing or real-time situations, which is the primary job of the safety assurance function with its audits, evaluations, employee reporting, and...