11/24/2023 0 Comments Runway magazine addressCommercial operations are considered those operating under Federal Aviation Regulations (FAR Parts 121, 129, and 135 all other operation types are considered non-commercial.Īs the FAA evolves from compliance-based safety assurance methodologies to Risk-Based Safety Management (RBSM), we are able to focus on a systemic view of the runway environment that leads to the identification of risk before it becomes an event. Operations are defined as total takeoffs and landings. It includes runway collision accidents, runway excursion accidents, taxiway collision accidents, runway incursion incidents, runway excursion incidents, and taxiway surface incidents. It includes all manner of operations (commercial and non-commercial), aircraft, vehicles and pedestrians that occur in the runway environment. The weights are based on proximity to a fatality and give credit for saving lives and minimal aircraft damage. It uses modeling to assign risk weights to the outcome of an event such as aircraft damage, injuries, and fatalities. The Surface Safety Risk Index is the methodology developed by the FAA to assess the severity of risk of runway safety events. In October 2019, the SSM became the FAA’s primary metric for measuring and reporting the safety performance of the National Airspace System (NAS) in the runway environment. The Surface Safety Risk Index is the methodology used to assess the severity of risk of those events. Unlike previous metrics that focused on the number and severity of runway incursions, the SSM incorporates all types of relevant events that occur in the runway environment. The FAA created the Surface Safety Metric (SSM) to more accurately identify the greatest risks in the runway environment. Reducing runway safety risk remains a top priority for the FAA.
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