Part 121 Taxi/Parked Ground Conflict Related Incidents

Abstract

This presentation reviews voluntary safety reports received by NASA's Aviation Safety Reporting System pertaining to Part 121 Taxi/Parked Ground Conflicts. Ground Conflict, Critical Two or more aircraft (one may be airborne) in conflict, or an aircraft in conflict with a vehicle/person/object in which the reporter or other involved party took evasive action to avoid a collision, or a collision that almost occurred in cases where evasive action was not taken or possible. The evasive action can include an emergency go-around, veering on a taxiway/runway, rejected takeoff/abort, emergency braking, or an aircraft overflying another aircraft 50 feet or less. Ground Conflict, Less Severe Two or more aircraft (one may be airborne) in conflict, or an aircraft in conflict with a vehicle/person/object in which the reporter or other involved party may, or may not have taken precautionary avoidance action, and in which a collision hazard was not imminent. Ground Event / Encounter Aircraft Actual physical contact with another aircraft when aircraft is on the ground. All Aircraft Involved in Incidents Conflicting Aircraft by Weight Classification Flight Conditions and Time (Quarter of Day) Contributing Factors and Human Factors (Event