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Accident: An incursion that resulted in a collision. Category A: A serious incident in which a collision was narrowly avoided. Category B: An incident in which separation decreases and there is a significant potential for collision, which may result in a time critical corrective/evasive response to avoid a collision. Category C
An airborne collision avoidance system (ACAS, usually pronounced as ay-kas) operates independently of ground-based equipment and air traffic control in warning pilots of the presence of other aircraft that may present a threat of collision. If the risk of collision is imminent, the system recommends a maneuver that will reduce the risk of ...
A collision avoidance system (CAS), also known as a pre-crash system, forward collision warning system (FCW), or collision mitigation system, is an advanced driver-assistance system designed to prevent or reduce the severity of a collision.
Traffic collision reconstruction is the process of investigating, analyzing, and drawing conclusions about the causes and events during a vehicle collision. Reconstructionists conduct collision analysis and reconstruction to identify the cause of a collision and contributing factors including the role of the driver (s), vehicle (s), roadway and ...
In aviation, a terrain awareness and warning system ( TAWS) is generally an on-board system aimed at preventing unintentional impacts with the ground, termed "controlled flight into terrain" accidents, or CFIT. [1] The specific systems currently in use are the ground proximity warning system (GPWS) and the enhanced ground proximity warning ...
The term active safety (or primary safety) is used in two distinct ways. The first, mainly in the United States, refers to automobile safety systems that help avoid accidents, such as good steering and brakes.
The AP also recommends avoiding "accident" when negligence is proven or claimed because the term "can be read as exonerating the person responsible." In 2021, the American Automobile Association (AAA) passed a resolution to replace "car accident" with "car crash" in their vocabulary.
A portable collision avoidance system (PCAS) is an aircraft collision avoidance system similar in function to traffic collision avoidance system (TCAS). TCAS is the industry standard for commercial collision avoidance systems but PCAS is gaining recognition as an effective means of collision avoidance for general aviation and is in use the ...
A traffic alert and collision avoidance system (TCAS, pronounced / t iː k æ s /; TEE-kas), is an aircraft collision avoidance system designed to reduce the incidence of mid-air collision (MAC) between aircraft.
Process safety – Study, prevention, and management of major hazardous material accidents in process plants. Reliability engineering – Sub-discipline of systems engineering that emphasizes dependability. Risk assessment – Estimation of risk associated with exposure to a given set of hazards.