| EVENT_ID | EVENT ID | A unique code assigned by the NTSB. |
| ACFT_SEQ | AIRCRAFT SEQUENCE | The subscript or counter that differentiates the aircraft in a multiple aircraft event. |
| NTSB_RPRT_NBR | NTSB REPORT NUMBER | The report number assigned by the NTSB. |
| ACFT_SERIAL_NBR | AIRCRAFT SERIAL NUMBER | The manufacturer assigned serial number of the aircraft involved in the event. |
| ACFT_REGIST_NBR | AIRCRAFT REGISTRATION NUMBER | The unique, official registration number for the airplane. NOTE: For U.S. registered aircraft, the leading "N" is dropped in this database. |
| EV_TYPE_DESC | EVENT TYPE DESCRIPTION | The event classification (as defined by 49 CFR Part 830.2). |
| EVENT_LCL_DATE | EVENT LOCAL DATE | The local date the event occurred. NOTE: The NTSB database contains reports investigated from 1982 to present. There are some records included for events that occurred before 1982, but were investigated after 1982. |
| LOC_STATE_CODE_STD | ASIAS STANDARD LOCATION STATE CODE | The standardized code for the state, territory, or foreign location where the event occurred. |
| LOC_CITY_NAME_STD | ASIAS STANDARD LOCATION CITY NAME | The standardized city name for the location of the event. |
| ARPT_NAME_STD | ASIAS STANDARD AIRPORT NAME | The standardized airport name associated with the event location. NOTE: The ASIAS standard airport name is taken directly from the FAA National Flight Data Center (NFDC) landing facilities directory. |
| FLTCNDCT_DESC | FLIGHT CONDUCT DESCRIPTION | The Federal Aviation Regulation (FAR) under which the aircraft flight was conducted. NOTE: If the regulation under which the flight was operating at the time of the event was different from the regulation. |
| OPRTR_SCHED_DESC | OPERATOR SCHEDULE DESCRIPTION | Indicates whether the aircraft was engaged in scheduled or non-scheduled operations at the time of the event. NOTE: To be "Scheduled", the operator must carry passengers/cargo on at least five round trips. |
| OPRTR_NSDC_NAME_STD | ASIAS STANDARD OPERATOR NAME | The ASIAS standard for the name of the operator. |
| ACFT_NSDC_MAKE_STD | ASIAS STANDARD AIRCRAFT MAKE NAME | ASIAS's standardized code for the make (aircraft manufacturer's name) of the aircraft involved in the event. |
| ACFT_NSDC_MODEL_STD | ASIAS STANDARD AIRCRAFT MODEL NAME | ASIAS's standardized model number for the aircraft involved in the event. |
| ACFT_NSDC_SERIES_STD | ASIAS STANDARD AIRCRAFT SERIES NAME | ASIAS's standardized series number for the aircraft involved in the event. |
| RPRT_NARR_PRELIM_TEXT | REPORT NARRATIVE PRELIMINARY TEXT | The narrative text describing the major circumstances of the event. |
| RPRT_NARR_FINAL_TEXT | REPORT NARRATIVE FINAL TEXT | The narrative text describing the major circumstances of the event. |
| RPRT_NARR_CAUSE_TEXT | REPORT NARRATIVE CAUSE TEXT | The text describing the primary cause(s) for the event. NOTE: This narrative is exclusive to Final Reports, as causal factors are not assigned in Preliminary Reports. |
| RPRT_NARR_FAA_TEXT | REPORT NARRATIVE FAA TEXT | The narrative text provided by the FAA. |
| REPORT_STATUS | REPORT STATUS | Indicates the status of the NTSB report, i.e., whether the report is preliminary (Preliminary Report, Form 6120.19) or Factual or Final (Factual Report, Form 6120.4). |
| INJURY_DESC | INJURY DESCRIPTION | Indicates the most critical injury (highest degree of injury) sustained, whether an occupant of the aircraft or not. |