What is the fine-grained topic of the following text: The safety hazard identified in the five incidents all happened when an airplane that was on approach to the airport aborted the landing attempt and initiated a go-around maneuver, which put the go-around airplane on a flightpath that intersected with that of another airplane that was either departing or arriving on another runway of the same airport.?? Only return the topic.
Airplane safety hazards during aborted landing and go-around maneuvers at airports