The pilots of United Flight 889 initiated the report of their near mid-air collision near San Francisco last week. New NTSB rules may make those reports more common, so don’t be surprised if the number of reported near mid-air collisions rises in the coming year. Pilots in particular need to know about changes last month to NTSB 830 that add new reporting requirements for abnormal events. (www.maxtrescott.com) 更多...