What it is
3 sourcesThe National Transportation Safety Board (NTSB) investigates accidents, determines probable causes, and issues safety recommendations, most often to the FAA.1 The NTSB issues preliminary reports regarding fatal aircraft crashes.2 The NTSB participates in investigations of accidents in foreign countries that involve U.S. carriers, U.S.-manufactured or -designed equipment, or U.S.-registered aircraft, in accordance with International Civil Aviation Organization (ICAO) agreements.3